Modeling strong motion in the Ashigara Valley for the 1990 Odawara, Japan, earthquake

A. S. Pitarka, H. Takenaka, D. Suetsugu

研究成果査読

13 被引用数 (Scopus)

抄録

Finite-difference seismograms are calculated for the 1990 Odawara earthquake. Using a basin structure derived from a geotechnical survey and a double-couple solution determined from the P first-motion data, a two-dimensional SH finite-difference calculation reproduces the observed spatial variation in amplitude and waveform of the transverse records at the Ashigara Valley Blind Prediction sites for Frequencies lower than 2 Hz. Comparison of the synthetics and the observed seismograms suggests that the observed amplitude variation of the transverse records in the Ashigara Valley is mainly due to the source radiation pattern rather than the basin structure. -from Authors

本文言語English
ページ(範囲)1327-1335
ページ数9
ジャーナルBulletin - Seismological Society of America
84
5
出版ステータスPublished - 1994
外部発表はい

ASJC Scopus subject areas

  • 地球物理学
  • 地球化学および岩石学

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