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北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University >
第73号 >

深発地震を用いた東京湾岸地域の長周期地震動特性評価

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Please use this identifier to cite or link to this item:https://doi.org/10.14943/gbhu.73.49

Title: 深発地震を用いた東京湾岸地域の長周期地震動特性評価
Other Titles: Evaluation of the long-period ground motion characteristics in Tokyo Bay area using the deep earthquake data
Authors: 植竹, 富一1 Browse this author
Authors(alt): UETAKE, Tomiichi1
Issue Date: 19-Mar-2010
Publisher: 北海道大学大学院理学研究院自然史科学部門(地球物理学)
Journal Title: 北海道大学地球物理学研究報告
Journal Title(alt): Geophysical bulletin of Hokkaido University
Volume: 73
Start Page: 49
End Page: 55
Abstract: A deep(H=374 km)earthquake of Mj=6.7 occurred in Kyoto-Oki region on July 16, 2007. Broad-band velocity ground motions during this event were observed at many thermal power stations in the Tokyo bay area. Waveforms observed at the stations of the east side of the Tokyo bay show longer duration than those at the west side of the bay. The apparent frequencies of later arrivals are lower than those of S-wave parts. Velocity waveforms observed in the mountain area and in the bedrock of the basin have short duration and no significant later arrivals. This suggests that the later arrivals were excited by the Kanto basin.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/44456
Appears in Collections:北海道大学地球物理学研究報告 = Geophysical bulletin of Hokkaido University > 第73号

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