Interplate quasi-static slip off Sanriku, NE Japan, estimated from repeating earthquakes

Naoki Uchida, Toru Matsuzawa, Akira Hasegawa, Toshihiro Igarashi

研究成果: Article査読

102 被引用数 (Scopus)

抄録

Space-time distribution of quasi-static slip on the plate boundary off Sanriku, northeastern (NE) Japan, was estimated by using small repeating earthquakes. We found 2509 repeating earthquakes occurring on the plate boundary for the last 17 years. Based on the interpretation that these events are caused by repeating slips of small asperities surrounded by stable sliding area, we regarded these repeating events as creepmeters embedded on the plate boundary. The results show that deeper portions of the plate boundary are sliding almost stably and earthquakes with magnitudes more than 6 are accompanied by quasi-static slips in the surrounding areas.

本文言語English
ページ(範囲)SDE 7-1 - 7-4
ジャーナルGeophysical Research Letters
30
15
DOI
出版ステータスPublished - 2003 8 1

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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