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タイトル: | 南九州の地震 |
その他のタイトル: | ON THE EARTHQUAKES AT SOUTHERN KYUSHU |
著者: | 吉川, 圭三 中村, 俊造 |
著者名の別形: | YOSHIKAWA, Keizo NAKAMURA, Shunzo |
発行日: | 1-Mar-1970 |
出版者: | 京都大学防災研究所 |
誌名: | 京都大学防災研究所年報. A |
巻: | 13 |
号: | A |
開始ページ: | 27 |
終了ページ: | 34 |
抄録: | This paper is composed of 3 articles, and their abstracts are as followes.1) The epicenter distrihution of the earthquakes in and near Kyllshn during l967-~68 after"The Seismological Bulltin of J.M.A." is divided three zones (the West Japan Volcanic Belt, theEast side and the West side zones), which show the parallel arrangement to NE-SW direction. Thedepthes of hypocenters in each zone are plotted, and it showes that the earthquakes deeper than100 km only occurred in Volcanio Belt zone.2) The time-distance curves for P and S waves in Kynshil are obtained from the observationresults of "Ebino earthquake swarm", and the curstal structure are estimated by them. Andalso, the tendency is recognized that the arrival times of S wave late from the time-distance curveat the stations where seismic wave run cross the active volcanic areas, Krishima, Sakurajima, Aso, and Unzen.3) To examine the seismic activity near and at Amami-Oshima, the daily frequency, the S-Ptime distribution and the frequency-amplitude relation of the earthquakes at Naze city aredescribed. |
URI: | http://hdl.handle.net/2433/69502 |
関連リンク: | http://www.dpri.kyoto-u.ac.jp/nenpo/nenpo.html |
出現コレクション: | No.13 A |
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