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Volcanic Earthquakes and Tremor in Japan

Takeshi Nishimura and Masato Iguchi

B5変上製・276頁

ISBN: 9784876989799

発行年月: 2011/02

  • 本体: 4,100円(税込 4,510円
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内容

火山活動と地震の関係,マグマダイナミクスを,豊富な観測例から明らかにしてきた我が国の火山性地震の研究の到達点を,主要火山のデータ・解析結果とともに,世界の火山研究者に向け包括的に示した,画期的英文書.常時外国人が招聘されている国内の研究機関,日本の火山研究を英語で示さねばならない日本人若手研究者にも必携の一冊.

書評

"THE LEADING EDGE",Vol.31. No.8., 973-974pp. (Society of Exploration Geophysicists)

プロフィール

Takeshi Nishimura 西村太志
Associated professor, Department of Geophysics, Graduate School of Science, Tohoku University
Doctor of Science
He specializes seismology and physical volcanology, especially source process of volcanic earthquakes and dynamics of volcanic fluid motions.

Masato Iguchi 井口正人
Associated professor, Sakurajima Volcano Research Center, Disaster Prevention Research Institute, Kyoto University
Doctor of Science
He specializes field geophysical volcanology, particularly at Sakurajima, island volcanoes in Kyushu, Japan and Indonesian volcanoes.

目次

Source notes
Note on volcano names
Authors' Biography
Foreword

Chapter 1 Overview
Chapter 2 Observation Systems
2.1 The history of volcanic earthquake observation
Box 1 History of the establishment of volcano observatories
2.2 Present-day volcanic earthquake observation systems
2.3 Points of caution for earthquake observation at a volcano
Chapter 3 Classification of volcanic earthquakes and tremors
3.1 Introduction
3.2 Examples of observed waveforms
3.3 Naming and classification of volcanic earthquakes and tremors
3.4 Conclusion
Chapter 4 Source Regions
4.1 Introduction
4.2 Methods for locating the source region
4.3 Characteristics of hypocenter distributions
4.3.1 Hypocenter migration
Box 2 Relation of migration between hypocenter and magma
4.3.2 Shared and separate hypocenters
4.3.3 Repeated seismicity
4.4 Conclusion
Chapter 5 Source mechanisms
5.1 Introduction
5.2 Methods for evaluating source mechanisms
5.2.1 Analysis methods using first-motion polarities
5.2.2 Analysis methods using body wave amplitudes
Box 3 Explanation of the focal sphere
5.2.3 Moment tensor inversion method
5.2.4 Spectral structure method
5.3 Double-couple volcanic earthquakes
5.4 Non-double-couple volcanic earthquakes and tremors
5.4.1 Earthquakes and tremors occurring during non-eruptive periods
Box 4 Resonance mode of crack vibration and moment ratios
Box 5 Acoustic velocity of volcanic fluids
5.4.3 Earthquakes and tremors accompanying eruptions
5.5 Conclusion
Chapter 6 Seismic and volcanic activity
6.1 Introduction
6.2 Volcanic earthquake and tremor activity with eruptions recurring after periods of quiescence
6.3 Earthquake and tremor activity at volcanoes demonstrating continuous activity
6.4 Predicting the time of eruption
6.5 Activity of deep low-frequency earthquakes
Box 6 Deep low-frequency earthquake activity
6.6 Swarm-like features of volcanic earthquakes
Box 7 Large earthquakes occurring in the vicinity of volcanoes
6.7 Interaction between earthquakes and volcanic eruptions
6.8 Remotely triggered volcanic earthquakes
6.9 Frequencymagnitude distributions
6.10 Related phenomena
6.11 Conclusion
Chapter 7 Volcanic earthquakes and tremors observed at the principa lvolcanoes in Japan
7.1 Introduction
7.2 Mt. Tokachi (Tokachidake)
7.3 Mt. Usu (Usuzan)
7.4 Mt. Iwate (Iwatesan)
7.5 Mt. Asama (Asamayama)
7.6 Mt. Fuji (Fujisan)
7.7 Izu-Oshima (Izu-Oshima)
7.8 Miyakejima (Miyakejima)
7.9 Mt. Unzen (Unzendake)
7.10 Mt. Aso (Asosan)
7.11 Sakurajima (Sakurajima)
7.12 Suwanosejima (Suwanosejima)
7.13 Teishi Kaikyu in the Izu-Tobu Volcano Group (Izu-Tobu Volcanoes)
7.14 Other volcanoes
Mt. Meakan (Meakandake)
Mt. Tarumae (Tarumaesan)
Mt. Esan (Esan)
Mt. Hokkaido-Komagatake (Hokkaido-Komagatake)
Mt. Iwaki (Iwakisan)
Towada (Towada)
Mt. Akita-Komagatake (Akita-Komagatake)
Mt. Chokai (Chokaisan)
Mt. Zao (Zaozan)
Mt. Adatara (Adatarayama)
Mt. Bandai (Bandaisan)
Mt. Azuma (Azumayama)
Mt. Nasu (Nasudake)
Mt. Nikko-Shirane (Nikko-Shiranesan)
Mt. Kusatsu-Shirane (Kusatsu-Shiranesan)
Iwojima (Iojima, Ioto)
Mt. Ontake (Ontakesan)
Mt. Tsurumi (Tsurumidake)
Mt. Kuju (Kujusan)
Kirishima Volcano Complex (Kirishimayama)
Satsuma-Iwojima (Satsuma-Iojima)
Kuchinoerabujima (Kuchinoerabujima)

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