Depth‐dependent activity of non‐volcanic tremor in southwest Japan

DOI Web Site Web Site 被引用文献54件 オープンアクセス
  • Kazushige Obara
    Earthquake Research Institute University of Tokyo Tokyo Japan
  • Sachiko Tanaka
    National Research Institute for Earth Science and Disaster Prevention Tsukuba Japan
  • Takuto Maeda
    Earthquake Research Institute University of Tokyo Tokyo Japan
  • Takanori Matsuzawa
    National Research Institute for Earth Science and Disaster Prevention Tsukuba Japan

書誌事項

公開日
2010-07
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/2010gl043679
公開者
American Geophysical Union (AGU)

この論文をさがす

説明

<jats:p>With a new location method, we obtained a high‐resolution map of non‐volcanic tremor along the subducting Philippine Sea plate in southwest Japan and clarified the depth‐dependent behavior of the tremor activity. A bimodal distribution of tremor along‐dip is apparent in regions where short‐term slow slip events (SSEs) and very‐low‐frequency earthquakes are frequently detected. The separation of bimodal peaks is 5 to 10 km in depth. The updip tremor activity occurs episodically, coincident with major bursts that often accompany geodetically detectable SSEs. The downdip tremor activity is, however, rather stable with frequent minor bursts. This depth‐dependent tremor activity likely reflects variation of interplate slip properties, specifically weakening with increasing depth and temperature. In westernmost Shikoku, anomalous tremor activity was detected in only the updip section in late 2003. This is interpreted as being triggered by a long‐term SSE in the shallower edge of the tremor zone.</jats:p>

収録刊行物

被引用文献 (54)*注記

もっと見る

問題の指摘

ページトップへ