Source mechanism of a very-long-period event at Mt Ontake, central Japan: Response of a hydrothermal system to magma intrusion beneath the summit

Journal of Volcanology and Geothermal Research

Volumn 187, Issue 3-4, 2009, Pages 167-177

  Nakamichi, Haruhisa ^a   Kumagai, Hiroyuki ^b   Nakano, Masaru ^b   Okubo, Makoto ^c   Kimata, Fumiaki ^a   Ito, Yoshihiro ^b   Obara, Kazushige ^b  

^a NAGOYA UNIVERSITY   (Japan)

^b NATIONAL RESEARCH INSTITUTE FOR EARTH SCIENCE AND DISASTER PREVENTION   (Japan)

^c Chiyoda Building   (Japan)

Author keywords

hydrothermal crack; phreatic eruption; very long period event; waveform inversion

Indexed keywords

AQUIFER SYSTEMS; BROADBAND SEISMOMETERS; GPS DATA; HYDROTHERMAL CRACK; HYDROTHERMAL SYSTEM; INCLINED CRACK; LONG-PERIOD EVENTS; MAGMA INTRUSION; PHREATIC; PHREATIC ERUPTION; PULSE-LIKE; SEISMIC MOMENT; SEISMIC NETWORKS; SOURCE MECHANISMS; SUPERHEATED WATER; TIME FUNCTION; TRIANGULAR SHAPES; VERY-LONG-PERIOD EVENT; VOLCANIC EVENT; VOLUMETRIC CHANGES; WAVE FORMS; WAVEFORM INVERSION;

AQUIFERS; GLOBAL POSITIONING SYSTEM; OCEANOGRAPHY; SEISMOLOGY; WATER VAPOR; WAVEFORM ANALYSIS;

CRACKS;

CRACK PROPAGATION; DATA INVERSION; HYDROTHERMAL SYSTEM; IGNEOUS INTRUSION; SEISMIC DATA; SEISMIC SOURCE; SEISMIC WAVE; SEISMOGRAPH; VAPORIZATION; WAVEFORM ANALYSIS;

ASIA; CHUBU; EURASIA; FAR EAST; HONSHU; JAPAN; ONTAKE;

EID: 70350230096     PISSN: 03770273     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jvolgeores.2009.09.006     Document Type: Article

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