改訂津波表から得られる日本およびその周辺における津波発生の特徴

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書誌事項

タイトル別名
  • Statistical Studies on Tsunami Occurred in and near Japan Used Revised Tsunami Table of WATANABE (1983)
  • カイテイ ツナミヒョウ カラ エラレル ニホン オヨビ ソノ シュウヘン ニ

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抄録

The purpose of this paper is to study statistical features on tsunami occurrence in and near Japan, used revised tsunami table of WATANBE (1983).<br>Obtained results are as follows.<br>1) Recent occurrence number becomes two and one forth (2 1/4) times for more one step of tsunami grade magnitude m and five times for the more two steps.<br>2) Only the Chile and Kurile-Kamchatka tsunamis have given effective damage in the Japanese coast.<br>3) HATORI'S grade magnitude mH is equal or more to m off northeastern Japan and equal or less to m off southwestern Japan. This depends on a locality of wave damping.<br>4) The equation mH=2.25Mt-18.26 (Mt: ABE'S tsunami magnitude) has the smallest standard error among four relation between (m, M), (m, Mt), (mH, M) and (mH, Mt).<br>5) Earthquake origin depth H is not so effective for tsunami occurrence.<br>6) Log S is better linear relation with Mt than m, mH and M.<br>7) In general, tsunamigenic earthquakes have pressure and tension axes of east-west direction and reverse fault of dip-slip type.

収録刊行物

  • 地震　第２輯

    地震　第２輯 37 (4), 607-619, 1984

    公益社団法人 日本地震学会

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