Attenuation of PL Waves in Japan

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  • 日本におけるPL波の減衰
  • ニホン ニ オケル PLハ ノ ゲンスイ

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Abstract

Attenuation coefficients of the PL waves are determined from the records at three stations in Japan. The coefficients are from 0.7 to 2.6per 1000km. They show a clear tendency with period, and are well explained by the imaginary part of the complex root of the period equation for a crustal model JW-1 by YOSHII (1970).

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