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Title: 白山火山付近の顕著な群発地震活動
Other Titles: Earthquake Swarm Activities in the Hakusan Volcano Area in the Northeastern Chubu District, Japan
Authors: 和田, 博夫  KAKEN_name
伊藤, 潔  KAKEN_name
大見, 士朗  kyouindb  KAKEN_id
平野, 憲雄  KAKEN_name
平松, 良浩  KAKEN_name
中山, 和正  KAKEN_name
歪集中帯大学合同地震観測グループ  KAKEN_name
Author's alias: WADA, Hiroo
ITO, Kiyoshi
OHMI, Shiro
HIRAMATSU, Yoshihiro
NAKAYAMA, Kazumasa
Japanese University Group of the Joint Seismic Observations at NKTZ
Keywords: 白山火山
Hakusan volcano
earthquake swarm
Atotsugawa fault
seismicity in volcanic area
Issue Date: 1-Apr-2006
Publisher: 京都大学防災研究所
Disaster Prevention Research Institute Kyoto University
Journal title: 京都大学防災研究所年報. B
Volume: 49
Issue: B
Start page: 289
End page: 295
Abstract: 白山火山付近において,2005 年1年間に4回の顕著な群発地震が発生した。いずれの群発地震活動も,震源が非常に浅く,また火口を取り巻く,ごく狭い地域の異なった場所で発生した。期間中の最大Mは4.2 (2005 年10 月3日)であった。2003 年に大白川観測点(白山東麓)を設置して以来,同観測点のモニター記録から,浅い群発地震活動が非常に活発であることが明らかであり,白山火山の火山活動を注意深く監視する必要がある。
Four earthquake swarm activities occurred in the Hakusan Volcano area in 2005. The maximum event of M4.2 occurred in October. The hypocenters of the earthquake swarms are very shallow as less than 5km and very close to the summit of the volcano but locations of the swarms are different with each other. The seismicity in the volcano area has been high since 2003, therefore, a careful monitoring of volcanic activity is necessary for the Hakusan Volcano.
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Appears in Collections:No.49 B

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