Study on the 1906 Colombia‐Ecuador Megathrust Earthquake Based on Tsunami Waveforms Observed at Tide Gauges: Release Variation of Accumulated Slip Deficits in the Source Area
Study on the 1906 Colombia‐Ecuador Megathrust Earthquake Based on Tsunami Waveforms Observed at Tide Gauges: Release Variation of Accumulated Slip Deficits in the Source Area
复制标题
基于验潮仪观测海啸波形的1906年哥伦比亚-厄瓜多尔特大地震研究:震源区累积滑移赤字的释放变化
DOI:
10.1029/2020jb021375
复制
发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Yuichiro Tanioka
中科院分区:
文献类型:
--
作者:
Yusuke Yamanaka;Yuichiro Tanioka
A tsunami that followed the 1906 Colombia‐Ecuador megathrust earthquake was observed and recorded by several tide gauges. In this study, tide gauge records were first digitized from documents comparing the estimated astronomical tide level changes, and the observed tsunami waveforms were extracted. An inverse analysis was conducted using the observed tsunami waveforms, and we successfully developed a slip distribution model that produced improved tsunami waveforms for tide gauge stations compared with previous studies. Based on a comparison of the developed source model and ruptured areas of other significant earthquakes around Colombia and Ecuador, the 1906 earthquake already ruptured an area affected by the 1979 earthquake, resulting in a substantial release of accumulated slip deficits. In contrast, although the ruptured area of the 1906 earthquake likely covered the source areas of the 1958 and 1942 earthquakes, the release in these areas during the earthquake was moderate and insignificant, and large slip deficits remained after the 1906 earthquake. These results demonstrate that the extent of the release of accumulated slip deficits varied greatly in the source area of the 1906 earthquake.
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DOI:
--
发表时间:
2016
期刊:
--
影响因子:
--
作者:
B. Adriano;M. Arcila;R. Sanchez;E. Mas;S. Koshimura;P. Arreaga;N. Pulido
通讯作者:
N. Pulido
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2.9
作者:
Yamanaka Yusuke;Matsuba Yoshinao;Tajima Yoshimitsu;Shibata Ryotaro;Hattori Naohiro;Wu Lianhui;Okami Naoko
通讯作者:
Okami Naoko
DOI:
--
发表时间:
2003
期刊:
影响因子:
--
作者:
Yong Wei;K. Cheung;G. Curtis;C. Mccreery
通讯作者:
C. Mccreery
DOI:
--
发表时间:
2018
期刊:
影响因子:
--
作者:
Yamanaka;Y.;Y. Tanioka
通讯作者:
Y. Tanioka
影响因子:
--
作者:
C. Scholz;J. Campos
通讯作者:
C. Scholz;J. Campos