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Title :2010年父島近海津波第1波の共鳴曲線
Title alternative :Resonance curve of initial waves in the 2010 Bonin Island tsunami
Authors :阿部, 邦昭
Publisher :日本歯科大学
Issue Date :Mar-2012
Journal Title :Bulletin of The Nippon Dental University. General Education
Volume :41
Start Page :7
End Page :12
Abstract :We analyzed initial waves of the 2010 Bonin Island tsunami which was recorded at tide stations in Japan. After reducing tidal level from the record we identified the initial wave and determined the arrival time, polarity, double amplitude and period. The amplitude, normalized at 1000 km in the epicentral distance in the assumption of geometrical spreading, was plotted to the period relative to dominant period of seiche. The resonance curve represents itself having the maximum at 1.4. Thus it is concluded that the initial wave follows a law of resonance. It suggests that the initial wave is amplified by the background oscillation.
Keywords :2010 Bonin Island Tsunami
initial wave
resonance
seiche
Type Local :Departmental Bulletin Paper
Language :jpn
URI :http://hdl.handle.net/10623/38930
URL :0385-1605
Appears in Collections:01 Bulletin of the Nippon Dental University. General Education

Please use this identifier to cite or link to this item: http://hdl.handle.net/10623/38930

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