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Simulation of a Dispersive Tsunami due to the 2016 El Salvador-Nicaragua Outer-Rise Earthquake (M-w 6.9)

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Title: Simulation of a Dispersive Tsunami due to the 2016 El Salvador-Nicaragua Outer-Rise Earthquake (M-w 6.9)
Authors: Tanioka, Yuichiro Browse this author →KAKEN DB
Cabrera Ramirez, Amilcar Geovanny Browse this author
Yamanaka, Yusuke Browse this author
Keywords: Tsunami numerical simulation
the Boussinesq equations
outer-rise earthquake
Issue Date: Apr-2018
Publisher: Springer
Journal Title: Pure and applied geophysics
Volume: 175
Issue: 4
Start Page: 1363
End Page: 1370
Publisher DOI: 10.1007/s00024-018-1773-5
Abstract: The 2016 El Salvador-Nicaragua outer-rise earthquake (M-w 6.9) generated a small tsunami observed at the ocean bottom pressure sensor, DART 32411, in the Pacific Ocean off Central America. The dispersive observed tsunami is well simulated using the linear Boussinesq equations. From the dispersive character of tsunami waveform, the fault length and width of the outer-rise event is estimated to be 30 and 15 km, respectively. The estimated seismic moment of 3.16 x 10(19) Nm is the same as the estimation in the Global CMT catalog. The dispersive character of the tsunami in the deep ocean caused by the 2016 outer-rise El Salvador-Nicaragua earthquake could constrain the fault size and the slip amount or the seismic moment of the event.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 谷岡 勇市郎

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