Teleseismic S wave microseisms

Kiwamu Nishida, Ryota Takagi

研究成果: Article査読

62 被引用数 (Scopus)

抄録

Although observations of microseisms excited by ocean swells were firmly established in the 1940s, the source locations remain difficult to track. Delineation of the source locations and energy partition of the seismic wave components are key to understanding the excitation mechanisms. Using a seismic array in Japan, we observed both P and S wave microseisms excited by a severe distant storm in the Atlantic Ocean. Although nonlinear forcing of an ocean swell with a one-dimensional Earth model can explain P waves and vertically polarized S waves (SV waves), it cannot explain horizontally polarized S waves (SH waves).The precise source locations may provide a new catalog for exploring Earth's interior.

本文言語English
ページ(範囲)919-921
ページ数3
ジャーナルScience
353
6302
DOI
出版ステータスPublished - 2016 8月 26

ASJC Scopus subject areas

  • 一般

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