A significant relation between seismic activities and reflection intensities in the Japan Trench region

Gou Fujie, Junzo Kasahara, Ryota Hino, Toshinori Sato, Masanao Shinohara, Kiyoshi Suyehiro

研究成果: Article査読

52 被引用数 (Scopus)

抄録

There is a regional variation of seismicity in the Japan trench region characterized by cluster distribution of seismically active zones which persist for at least a few decades. We conducted seismic refraction-reflection experiments there to clarify the relationship between seismicity and crustal structure. A velocity structure model was obtained by travel-time inversion. Although there does not seem to be distinct relationship between seismicity and the bulk velocity structure, we found a good relationship between seismicity and variation of reflective amplitude. Large amplitude reflected waves generated at the plate boundary were observed at low seismicity region and vice versa.

本文言語English
ページ(範囲)4-1-4-4
ジャーナルGeophysical Research Letters
29
7
DOI
出版ステータスPublished - 2002 4 1

ASJC Scopus subject areas

  • 地球物理学
  • 地球惑星科学(全般)

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