3. 東南梅地震に就いて : 特に震害と餘震の分布

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概要

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• The great earthquake that occurred off the Pacific coast of the To-Nan-Kai, at 13h 36m, December 7, 1943, was so strong that it was felt sensiblly throughout Honshu, Sikoku and Kyushu. Serious damages were caus d to ordinary houses and other structures in the large area, by not only earthquake shocks but also the tunami, which advanced against the south coast of the Kii peninsula. According to statistical investigation of damages, 54,000 houses were demolished and about 1,000 persons were killed. This paper treats, the relation between destruction-rate of dawelliug house and the character of earth-ground of the stricken area. Destruction-rate shows remarkablly high in the alluvial region, specially in he reclaimed land from the sea. A component of micro-seismograph was installed at four temporary stations, namely, Okazaki, Toyohasi, Yokkaiti and Uziyamada. As a result of the seismic observation, hypocentres of forty after-shocks which are a part of earthquakes occurrdd during February, 14, ～March, 20, 1944, were determined by use of duration of preliminary micro-tremors. As shown in figs. (6) and (7), epicenters of after-shocks are distributed only in the west side of the in (UV) that passes on two epicentres of the To-Nan-Kai and Mikawa earthquakes. Moreover, new main fault paralels or coincides with the UV-line. These facts and o her examles of after-shock at the occasion of strong earthquakes lead us to such a conclusion that the Mikawa earthquake on January 13, 1944, is an after-shock of the To-Nan-Kai earthquake.

• 1948-06-30

著者

• 内堀 貞雄

  東大震研

関連論文

• 3. 東南梅地震に就いて : 特に震害と餘震の分布
• 12. 草津白根火山の地震(日本火山学会 1969 年秋季大会講演要旨)
• 22. 浅間火山の地震と噴火について(日本火山学会 1969 年秋季大会講演要旨)
• 6. 浅間火山で観測された松代地震群と発震時の異常(日本火山学会 1966 年度秋季大会講演要旨)
• 浅間火山の活動と同火山に発生する地震の研究 : 続報 : 1959春季大会講演要旨
• 淺間山の噴火と地震との関係について : 1956年春季大会講演要旨
• 31. Arenal (Costa Rica) 火山の噴火について(日本火山学会 1968 年秋季大会講演要旨)

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