Preface to the Third Edition |
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xv | |
Preface to the Second Edition |
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xvii | |
Preface to the First Edition |
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xix | |
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1 | (12) |
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1.1 Terms and Definitions |
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1 | (7) |
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1 | (2) |
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3 | (5) |
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1.1.3 Seismological Terms |
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8 | (1) |
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8 | (5) |
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9 | (4) |
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2 Seismicity at Volcanoes |
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13 | (22) |
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2.1 History of Seismic Monitoring of Volcanic Activity |
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13 | (6) |
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2.2 Classification of Volcanic Earthquakes |
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19 | (6) |
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22 | (1) |
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2.2.2 Explosion Earthquakes |
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22 | (1) |
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2.2.3 Volcanic Pulsation or Continuous Volcanic Microtremors |
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22 | (3) |
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2.3 Sequences of Volcanic Earthquakes |
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25 | (10) |
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2.3.1 Sequences of Volcano-Tectonic Earthquakes |
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26 | (8) |
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2.3.2 Sequences of Eruption Earthquakes |
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34 | (1) |
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3 Fundamentals of Volcanic Seismology |
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35 | (26) |
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3.1 Magma Flow Within the Volcanic Conduit |
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35 | (3) |
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36 | (2) |
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3.1.2 Modeling of Magma Flow Regimes |
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38 | (1) |
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3.2 Experimental Studies of the Volcanic Processes and Their Applications for the Seismic Sources |
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38 | (13) |
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3.2.1 Experimental Grounds of the Brittle Fracturing in the Rocks at High Temperatures and High Pressure |
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39 | (2) |
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3.2.2 Experimental Grounds of the Origin of Seismic Signals During the Magma Ascending Within the Volcanic Conduit |
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41 | (10) |
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3.3 General Description of the Source of Seismic Signals at Volcanoes |
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51 | (10) |
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3.3.1 Equivalent Force System Acting in the Earthquake Source |
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51 | (2) |
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53 | (1) |
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53 | (1) |
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3.3.4 Seismic Moment Tensor |
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53 | (3) |
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56 | (5) |
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4 Origin of Volcano-Tectonic Earthquakes |
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61 | (20) |
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4.1 Migration of Magma and Its Seismic Potential |
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61 | (4) |
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4.2 Volcanism and Tectonics |
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65 | (5) |
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4.3 Source Nature of Volcano-Tectonic Earthquakes |
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70 | (6) |
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4.3.1 Waveform and Spectra |
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70 | (3) |
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4.3.2 Tensor Representation of the Source of Volcano-Tectonic Earthquake |
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73 | (3) |
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4.4 Models of Volcano-Tectonic Earthquake Sequences |
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76 | (5) |
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5 Volcano-Tectonic Earthquakes at Basaltic Volcanoes: Case Studies |
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81 | (38) |
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5.1 Volcano-Tectonic Earthquakes Associated With Shield Volcanoes |
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81 | (4) |
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5.1.1 Kilauea Volcano, Hawaii |
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81 | (4) |
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5.2 Volcano-Tectonic Earthquakes Associated With Stratovolcanoes |
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85 | (13) |
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85 | (7) |
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5.2.2 Oshima Volcano, Izu Islands |
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92 | (3) |
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5.2.3 Klyuchevskoy Volcano, Kamchatka |
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95 | (3) |
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5.3 Volcano-Tectonic Earthquakes Associated With Fissure Eruptions |
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98 | (8) |
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5.3.1 New Tolbachik Volcanoes, Kamchatka |
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98 | (3) |
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5.3.2 The 2005--09 Ethiopia Rifting Episode |
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101 | (5) |
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5.4 Volcano-Tectonic Earthquakes Associated With Caldera Collapse |
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106 | (2) |
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5.4.1 Fernandina Volcano, Galapagos Islands |
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106 | (2) |
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5.5 Volcano-Tectonic Earthquakes Associated With Submarine Eruptions |
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108 | (11) |
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5.5.1 Teishi Knoll Volcano, Izu Islands |
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109 | (2) |
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5.5.2 Miyakejima Volcano, Izu Islands |
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111 | (4) |
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5.5.3 El Hierro Volcano, Canary Islands |
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115 | (4) |
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6 Volcano-Tectonic Earthquakes at Andesitic Volcanoes: Case Studies' |
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119 | (24) |
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6.1 Volcano-Tectonic Earthquakes Associated With Volcanic "Directed Blasts" |
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119 | (6) |
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6.1.1 Bezymianny Volcano, Kamchatka |
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120 | (2) |
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6.1.2 Sheveluch Volcano, Kamchatka |
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122 | (3) |
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6.2 Volcano-Tectonic Earthquakes Associated With Phreatic and Phreatomagmatic Explosions |
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125 | (12) |
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6.2.1 El Chichon Volcano, Mexico |
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125 | (2) |
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6.2.2 Volcan De Colima, Mexico |
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127 | (1) |
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6.2.3 Popocatepetl Volcano, Mexico |
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127 | (5) |
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6.2.4 Soufriere Hills Volcano, Montserrat |
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132 | (5) |
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6.3 Volcano-Tectonic Earthquakes Associated With Lava Extrusions |
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137 | (4) |
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6.3.1 Volcan De Colima, Mexico |
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137 | (4) |
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6.4 Volcano-Tectonic Earthquakes Associated With Flank Eruptions |
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141 | (2) |
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6.4.1 Sakurajima Volcano, Japan |
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141 | (2) |
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7 Volcano-Tectonic Earthquakes at Dacitic Volcanoes: Case Studies |
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143 | (24) |
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7.1 Volcano-Tectonic Earthquakes Associated With Summit Eruptions |
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143 | (16) |
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7.1.1 Mount St. Helens, Cascades |
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143 | (7) |
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7.1.2 Usu Volcano, Hokkaido |
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150 | (2) |
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7.1.3 Unzen Volcano, Kyushu |
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152 | (5) |
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7.1.4 Pinatubo Volcano, Luzon |
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157 | (2) |
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7.2 Volcano-Tectonic Earthquakes Associated With Flank Eruptions |
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159 | (8) |
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7.2.1 Usu Volcano, Hokkaido |
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159 | (8) |
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8 General Properties of Volcano-Tectonic Earthquake Swarms |
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167 | (20) |
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8.1 Properties of Volcano-Tectonic Earthquake Swarms Inferred From the Data of Chapters 5 to 7 |
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167 | (8) |
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8.1.1 Temporal Variations |
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167 | (5) |
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8.1.2 Spatial Distributions |
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172 | (1) |
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8.1.3 Posteruption Seismic Activity |
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173 | (1) |
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8.1.4 Duration of Seismic Swarms Prior to an Eruption |
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174 | (1) |
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8.1.5 Position of a Volcanic Event According to the Stage of Volcano-Tectonic Earthquake Swarm |
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174 | (1) |
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8.2 Additional Data About Volcano-Tectonic Earthquake Swarm Properties |
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175 | (5) |
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8.2.1 Size of Volcano-Tectonic Earthquake Swarm Area |
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175 | (2) |
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8.2.2 Earthquake Swarm Duration |
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177 | (1) |
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8.2.3 Magnitude---Frequency Relations of Events in Volcano-Tectonic Earthquake Swarms |
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178 | (2) |
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8.3 Some Regularities in the Volcano-Tectonic Earthquake Swarms Proclaiming Reawakening of Andesitic and Dacitic Volcanoes |
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180 | (7) |
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8.3.1 Relationship Between the Duration of Stage 1 and the VEI of Forthcoming Explosion |
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184 | (1) |
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8.3.2 Relationship Between the Duration of Stage 2 and Postexplosion Dome Building |
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184 | (1) |
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8.3.3 Conceptual Model of Reawakening Process |
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184 | (3) |
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9 Source Properties of Volcano-Tectonic Earthquakes |
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187 | (26) |
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9.1 Focal Mechanisms of Volcano-Tectonic Earthquakes: Double-Couple and Non---double-Couple Models |
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187 | (9) |
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9.1.1 Double Couple Model |
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187 | (6) |
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9.1.2 Non---Double-Couple Model |
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193 | (3) |
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9.2 Source Spectral Characteristics of Volcano-Tectonic Earthquakes |
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196 | (5) |
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9.2.1 Spectra of Total Records of Volcano-Tectonic Earthquakes |
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196 | (2) |
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9.2.2 Spectral Source Characteristics of Volcano-Tectonic Earthquakes |
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198 | (3) |
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9.3 Temporal Variations of the Source Spectral Characteristics and Focal Mechanisms of Volcano-Tectonic Earthquakes in the Course of Volcanic Activity |
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201 | (8) |
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9.3.1 Corner Frequencies Variations |
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201 | (3) |
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9.3.2 Stress Drop Variations |
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204 | (2) |
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9.3.3 Stress Field Rotations |
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206 | (3) |
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9.4 Seismotectonic Deformations in the Volcanic Region |
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209 | (4) |
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10 Significant Volcano-Tectonic Earthquakes and Their Role in Volcanic Processes |
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213 | (30) |
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10.1 Selection of Significant Volcano-Tectonic Earthquakes |
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215 | (4) |
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10.2 Focal Rupturing of Significant Volcano-Tectonic Earthquakes and Its Role in Volcanic Processes |
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219 | (7) |
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10.2.1 Rupturing of the Magnitude Mw 5.2 Earthquake Preceding the 1989 Teishi Knoll Submarine Eruption |
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219 | (2) |
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10.2.2 Rupturing of the Magnitude Mw 7.1 Earthquake Preceding the 1996 Akademia Nauk Volcano Subaqual Eruption |
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221 | (2) |
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10.2.3 Rupturing of the Magnitude Mw 5.6 Earthquake Preceding the 1996 Grimsvøtn Volcano Subglacial Eruption |
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223 | (3) |
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10.3 The Magnitude 7 Volcano-Tectonic Earthquakes in Volcanic Processes |
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226 | (2) |
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10.3.1 Event No. 2, Katmai, Alaska |
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227 | (1) |
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10.3.2 Event No. 3, Sakurajima, Japan |
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227 | (1) |
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10.4 Seismic Hazard of Significant Volcano-Tectonic Earthquakes |
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228 | (15) |
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10.4.1 Maximum Magnitude Mmax |
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233 | (4) |
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10.4.2 Attenuation of Earthquake Intensity With Distance for Volcanic Earthquakes |
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237 | (3) |
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240 | (1) |
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10.4.4 Estimation of the Seismic Hazard of Volcanic Activity of Volcan de Colima, Mexico |
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241 | (2) |
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11 Origin of Eruption Earthquakes |
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243 | (20) |
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11.1 Volcanic Processes Generating Seismic Signals of Eruption Earthquakes |
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243 | (2) |
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11.1.1 Processes Within the Volcanic Conduit |
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243 | (1) |
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243 | (2) |
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11.2 Source Mechanisms of Eruption Earthquakes |
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245 | (6) |
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11.2.1 A Force System Equivalent to a Volcanic Eruption |
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245 | (3) |
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11.2.2 Seismic Moment Tensors of Some Non---Double-Couple Sources of Eruption Earthquakes |
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248 | (3) |
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11.3 Models of the Eruption Earthquake Sources |
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251 | (12) |
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11.3.1 Models Based on the Vibration of Magma-Filled Structures |
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251 | (2) |
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11.3.2 Models Based on the Process of Deep Ascending of Magma Before an Explosion |
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253 | (6) |
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11.3.3 Modeling of Seismic Signals Generated by Pyroclastic Flows and Rockfalls |
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259 | (4) |
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263 | (26) |
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12.1 Seismograms and Spectra |
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263 | (1) |
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12.2 Location of Volcanic Tremor |
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264 | (3) |
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12.2.1 Oshima Volcano, Izu Islands |
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264 | (1) |
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12.2.2 Etna Volcano, Sicily |
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264 | (2) |
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12.2.3 Arenal Volcano, Costa Rica |
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266 | (1) |
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12.3 Relationship Between the Intensity of Volcanic Tremor and Volcanic Events |
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267 | (2) |
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12.4 Volcanic Tremor in Eruptive Process |
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269 | (7) |
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12.4.1 Etna Volcano, Sicily |
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269 | (1) |
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12.4.2 Pavlof Volcano, Alaska |
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270 | (1) |
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12.4.3 Kilauea Volcano, Hawaii |
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270 | (1) |
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12.4.4 Klyuchevskoy Volcano, Kamchatka |
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271 | (2) |
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12.4.5 Shishaldin, Unimak Island |
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273 | (3) |
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12.5 Special Cases of Volcanic Tremor |
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276 | (13) |
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276 | (3) |
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279 | (6) |
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12.5.3 Long-Period Tremor |
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285 | (2) |
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287 | (2) |
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13 Seismic Signals Associated With Pyroclastic Flows, Rockfalls, and Lahars |
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289 | (34) |
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13.1 Occurrence of Pyroclastic Flows, Rockfalls, and Lahars During Volcanic Eruptions |
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289 | (1) |
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13.2 Seismic Signals Associated With Pyroclastic Flows and Rockfalls: Waveforms and Spectra |
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289 | (10) |
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13.2.1 Seismic Signals of Pyroclastic Flows Produced by the Partial Collapse of Lava Dome |
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291 | (2) |
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13.2.2 Seismic Signals of Pyroclastic Flows Produced by the Collapse of Eruption Column |
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293 | (2) |
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13.2.3 Seismic Signals of Pyroclastic Flows Produced by the Explosive Destruction of Crowing Lava Dome |
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295 | (1) |
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13.2.4 Seismic Signals Produced by Rockfall |
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296 | (1) |
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13.2.5 Spectral Characteristics |
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297 | (2) |
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13.3 Occurrences of Earthquakes Associated With Pyroclastic Flows and Rockfalls |
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299 | (2) |
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13.4 Relationship Between the Pyroclastic Flow and Rockfall Earthquakes and Seismovolcanic Activity During the Lava Extrusion |
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301 | (2) |
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13.5 Quantification of Pyroclastic Flow and Rockfall Earthquakes |
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303 | (7) |
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13.5.1 Quantification of Pyroclastic Flow and Rockfall Earthquakes Occurring Due to Partial Collapse of the Lava Dome and Recorded by Short-Period Instruments at Volcan De Colima, Mexico |
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304 | (1) |
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13.5.2 Relationship Between the Magnitude of Earthquakes Associated With Pyroclastic Flow and Rockfall and the Volume of Pyroclastic Flows Emplaced From Partial Collapse of the Lava Dome at Volcan De Colima, Mexico |
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305 | (2) |
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13.5.3 Relation Between the Duration of Broadband Seismic Signals Associated With Pyroclastic Flows Emplaced From Eruption Columns and the Volume of Pyroclastic Flows at Volcan De Colima, Mexico |
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307 | (2) |
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13.5.4 Relationship Between the Amplitude of Long-Period Seismic Records of Pyroclastic Flow and Rockfall Earthquakes and the Volume of Pyroclastic Flows at Unzen Volcano, Japan |
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309 | (1) |
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13.6 Tracking of Pyroclastic Flows Trajectory Using the Amplitude Signals of Earthquakes |
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310 | (1) |
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13.7 Seismic Signals Associated With Lahars: Waveforms and Spectra |
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311 | (10) |
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13.7.1 Volcan De Colima, Mexico |
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312 | (7) |
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13.7.2 Tungurahua Volcano, Ecuador |
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319 | (2) |
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13.7.3 Mt. Merapi Volcano, Indonesia |
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321 | (1) |
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13.8 Comparison of the Seismic Characteristics of Pyroclastic Flows and Lahars |
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321 | (2) |
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14 Seismic Signals Associated With Volcanic Explosions |
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323 | (38) |
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14.1 Waveforms and Spectra |
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324 | (6) |
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14.1.1 Strombolian Explosions |
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324 | (2) |
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14.1.2 Vulcanian Explosions |
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326 | (2) |
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14.1.3 Phreatomagmatic Explosions |
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328 | (2) |
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14.2 Nature of the Seismic Signals of Explosive Earthquakes |
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330 | (6) |
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14.2.1 Comparison of the Contemporary Video and Seismic Records During an Explosion |
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330 | (3) |
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14.2.2 Type of Waves Composing the Seismic Signal of an Explosion |
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333 | (3) |
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14.3 Sources of Explosion Earthquakes and Their Quantification |
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336 | (12) |
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14.3.1 Multiple Source of Explosions |
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337 | (4) |
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14.3.2 Two-Stage Conceptual Models of Explosive Process |
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341 | (2) |
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14.3.3 Comparison of the Source Properties of Strombolian and Vulcanian Explosions |
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343 | (2) |
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14.3.4 Source Scaling of the Seismic Signals Associated With Vulcanian and Strombolian Explosions |
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345 | (3) |
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14.4 Location of Explosion Earthquakes |
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348 | (2) |
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14.4.1 Location of the Initial Subevents From Waveform Inversion |
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349 | (1) |
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350 | (2) |
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14.6 Explosion Earthquakes in Eruptive Process |
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352 | (9) |
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14.6.1 Explosion Earthquakes as a Component of Eruptive Process |
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353 | (2) |
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14.6.2 Vulcanian Explosions as Indicators of the Style of Eruption Activity |
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355 | (6) |
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15 Long-Period and Very-Long-Period Seismic Signals at Volcanoes |
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361 | (28) |
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15.1 Waveforms and Spectra |
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361 | (9) |
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15.1.1 Long-Period Seismic Signals |
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361 | (1) |
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15.1.2 Very-Long-Period Seismic Signals |
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362 | (3) |
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15.1.3 Occurrences of Long-Period and Very-Long-Period Events |
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365 | (2) |
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15.1.4 Nature of Long-Period and Very-Long-Period Seismic Signals |
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367 | (3) |
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15.2 Geometry of the Sources of Long-Period and Very-Long-Period Seismic Signals |
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370 | (3) |
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15.3 Type of Fluid Within the Fluid-Filled Cracks |
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373 | (7) |
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373 | (2) |
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15.3.2 Complex Frequencies of the Long-Period Seismic Signal for Different Fluids |
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375 | (1) |
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15.3.3 Identification of the Type of Fluid From Long-Period Seismic Signals |
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375 | (5) |
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15.4 Location of the Sources of Long-Period and Very-Long-Period Events |
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380 | (4) |
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15.5 Conceptual Models of the Relationship Between the Sources of the Long-Period and Very-Long-Period Seismic Signals and Their Role in Eruptive Process |
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384 | (5) |
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16 Swarms of Microearthquakes Associated With Effusive and Explosive Activity at Volcanoes |
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389 | (28) |
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16.1 Waveforms and Spectra |
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389 | (5) |
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16.2 Structure of Microearthquake Swarms |
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394 | (1) |
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16.3 Microearthquake Swarms in Eruption Process |
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394 | (14) |
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16.3.1 Kizimen Volcano, Kamchatka |
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394 | (3) |
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16.3.2 Stromboli Volcano, Aeolean Islands |
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397 | (4) |
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16.3.3 Mount St. Helens, Cascades |
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401 | (2) |
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16.3.4 Ubinas Volcano, Peru |
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403 | (1) |
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16.3.5 Volcan de Colima, Mexico |
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404 | (4) |
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16.4 Nature of Microearthquakes |
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408 | (9) |
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16.4.1 Similarity Between the Microearthquake Waveforms and the Seismic Signals Well Associated With the Volcanic Events |
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409 | (3) |
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16.4.2 Quantification of Microearthquakes |
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412 | (3) |
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16.4.3 Nature of Microearthquakes Resolved From Waveform Inversion |
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415 | (2) |
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17 Acoustic Waves Generated by Volcanic Eruptions |
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417 | (26) |
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17.1 Infrasonic Acoustic Waves From Small Volcanic Explosions (VEI 1 and 2) |
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417 | (8) |
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17.1.1 Waveforms and Spectra |
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418 | (1) |
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17.1.2 Families of Infrasonic Signals |
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418 | (1) |
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17.1.3 Source Location of the Infrasonic Events |
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419 | (4) |
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17.1.4 Relationship Between the Amplitudes of the Seismic and Infrasonic Signals |
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423 | (2) |
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17.2 Long-Period Acoustic and Acoustic-Gravity Waves From Large Volcanic Explosions (VEI 4-6) |
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425 | (5) |
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17.2.1 Near-Field Waveforms of the Long-Period Acoustic Waves |
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426 | (1) |
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17.2.2 Far-Field Registrations of the Long-Period Acoustic Waves |
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427 | (3) |
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17.3 Acoustic Waves Produced by the Lava Dome Collapse and the Propagation of Pyroclastic Flow and Rockfalls |
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430 | (5) |
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430 | (1) |
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17.3.2 Pyroclastic Flow Propagation |
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431 | (3) |
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17.3.3 Large Rockfall Propagation |
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434 | (1) |
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17.4 Acoustic Waves Produced During Volcanic Microearthquake Swarms ("Drumbeats") |
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435 | (2) |
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17.5 Utility of the Acoustic Signals for Volcano Activity Monitoring |
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437 | (6) |
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17.5.1 Estimation of the Energy of Eruptive Events |
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437 | (2) |
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17.5.2 Reconstruction of the Process of Dome Collapses and Pyroclastic Flow Movement |
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439 | (2) |
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17.5.3 Monitoring of Phreatic and Strombolian Explosions |
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441 | (2) |
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18 Seismic Monitoring of Volcanic Activity and Forecasting of Volcanic Eruptions |
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443 | (28) |
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18.1 Methodology of Seismic Monitoring of Volcanic Activity |
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443 | (11) |
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18.1.1 Seismic Networks Around Volcanoes |
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443 | (1) |
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18.1.2 Application of the Seismic Arrays for Study of Volcanic Seismicity |
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444 | (2) |
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18.1.3 Initial Processing of Seismic Data |
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446 | (3) |
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18.1.4 Automatic Classification of the Seismic Signals |
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449 | (3) |
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18.1.5 Location of Seismic Events |
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452 | (2) |
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18.2 Applications of Volcanic Seismicity to the Forecasting of Volcanic Eruptions and Predicting of Volcanic Hazards |
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454 | (17) |
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18.2.1 Methods Based on the Statistical Variations in the Parameters of Volcano-Tectonic Earthquakes |
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455 | (6) |
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18.2.2 Chronicle of Some Forecasting of Volcanic Eruptions Based on Seismic Monitoring |
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461 | (10) |
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19 Seismic Activity at Dormant Volcanic Structures: A Problem of Failed Eruption |
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471 | (26) |
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19.1 Failed Eruptions: Case Stories |
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471 | (12) |
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19.1.1 Failed Eruptions at Large Calderas |
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471 | (4) |
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19.1.2 Failed Eruptions at Stratovolcanoes |
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475 | (3) |
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19.1.3 Failed Eruptions in Rift Settings |
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478 | (5) |
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19.2 Modeling of Magma Ascent Resisting |
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483 | (5) |
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19.2.1 Experimental Study of the Ascent of a Fixed Magma Volume |
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485 | (2) |
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19.2.2 Arrest of Propagating Dyke Due to Mechanical Barriers and Density Stratification in an Upper Crustal Horizon |
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487 | (1) |
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19.3 Monitoring of the Seismic Activity at Dormant Volcanoes |
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488 | (9) |
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19.3.1 Monitoring of Andesitic and Dacitic Dormant Volcanoes |
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490 | (2) |
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19.3.2 Monitoring of Basaltic Dormant Volcanoes |
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492 | (5) |
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20 The Seismic Signals Associated With the Natural Seismicity of Geothermal Structures Within Volcanic Environment |
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497 | (22) |
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20.1 General Description of Geothermal Systems |
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497 | (4) |
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20.1.1 Position of Geothermal Systems Within Volcanic Environment |
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498 | (1) |
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20.1.2 Structure of Geothermal Systems |
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498 | (3) |
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20.2 Natural Seismicity Associated With Heat Discharge Within Geothermal Systems |
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501 | (14) |
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20.2.1 Diffusive Heat Discharge (Mud Volcano) |
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501 | (4) |
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20.2.2 Continuous Heat Discharge |
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505 | (5) |
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20.2.3 Intermittent Heat Discharge |
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510 | (5) |
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20.3 Comparison of the Seismic Signals Associated With Hydrothermal and Volcanic Activity |
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515 | (4) |
References |
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519 | (28) |
Index |
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547 | |