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PRELIMINARY ESTIMATION OF POSTSEISMIC DEFORMATION PARAMETERS FROM CONTINUOUS GPS DATA IN KOREA PENINSULA AND IEODO AFTER THE 2011 TOHOKU-OKI MW9.0 EARTHQUAKE
Korea Peninsular Tohoku-Oki earthquake postseismic deformation
2016/10/14
This paper describes utilization of GPS data in Korea Peninsula and IEODO ocean research station for investigation of postseismic deformation characteristic after the 2011 Tohoku-oki Mw9.0 Earthquake....
Using Internet reports for early estimates of the final death toll of earthquake-generated tsunami: the March 11, 2011, Tohoku, Japan, earthquake
Casualties Earthquake-generated tsunami 2011 Tohoku earthquake
2015/8/27
A retrospective case study was conducted for the March 11, 2011, earthquake that occurred off the east Pacific coast of Tohoku, Japan, with reference to the Sumatra-Andaman earthquake and Indian Ocean...
Introduction to the Special Issue on the 2011 Tohoku Earthquake and Tsunami
Special Issue on the 2011 Tohoku Earthquake Tsunami
2014/4/9
The 11 March 2011 Tohoku earthquake (05:46:24 UTC) involved a massive rupture of the plate-boundary fault along which the Pacific plate thrusts under northeastern Honshu, Japan. It was the fourth-larg...
Low friction along the high slip patch of the 2011 Mw 9.0 Tohoku-Oki earthquake required from the wedge structure and extensional splay faults
Low friction along the high slip patch 2011 Mw 9.0 Tohoku-Oki earthquake required the wedge structure extensional splay faults
2014/4/15
We analyze the mechanical properties needed to account for the large shallow slip during the 2011 Tohoku-Oki earthquake and the activation of landward normal faulting within the forearc. We show that ...
Observation of Core PhaseScSfrom theMw9.0 Tohoku-Oki Earthquake with High-Rate GPS
Core PhaseS Me9.0 Tohoku-Oki Earthquake High-Rate GPS
2014/4/9
High-rate Global Positioning Systems (GPS) observations can record ground motions from moderate to strong earthquakes at distances of a few kilometers up to thousands of kilometers(Larsonet al., 2003;...
Mw9.0日本Tohoku大地震静态位错模型:陆地GPS资料和海底GPS/Acoustic资料联合反演的结果
日本Tohoku 大地震 位错模型反演 陆地GPS 数据 海底GPS/Acoustic 资料 弯曲断层面
2013/8/19
采用分层介质模型,联合陆地GPS资料和海底GPS/Acoustic资料反演了Mw9.0日本Tokohu大地震的静态位错模型.反演中,根据先验信息引入更切合实际的断层几何构型,即倾角随深度增加,而走向角则随海沟的走向而变化.结果显示,这次地震的地震矩为3.68×1022N m,对应的矩震级为9.01,最大同震滑移量约为45.8m.位错主要分布在从39.6°N延伸至36.97°N约240km的范围,并...
Anomalously steep dips of earthquakes in the 2011 Tohoku-Oki source region and possible explanations
subduction zone the 2011 Tohoku-Oki earthquake focal mechanism fault geometry seamount fault zone structure
2014/4/9
The 2011Mw9.1 Tohoku-Oki earthquake had unusually large slip (over 50 m) concentrated in a relatively small region, with local stress drop inferred to be 5–10 times larger than that found for typical ...
Sources of shaking and flooding during the Tohoku-Oki earthquake: A mixture of rupture styles
Tohoku-Oki earthquake finite fault strong motion tsunami high-rate GPS
2014/4/15
Modeling strong ground motions from great subduction zone earthquakes is one of the great challenges of computational seismology. To separate the rupture characteristics from complexities caused by 3D...
利用重力观测约束2011日本Tohoku大地震的震源机制
地球自由振荡 震源机制 Tohoku大地震 重力观测
2013/11/5
2011年3月11日,日本东北部(Tohoku)太平洋海域发生Mw9.0特大地震.一些国际学术机构用不同的震相和反演方法,计算了大地震的震源机制解.但这些结果存在一定的差异.地球长周期自由振荡的振幅主要依赖于地震矩的大小及地震断层的破裂方式,可以约束地震的震源机制、地震大小及持续时间.本文利用地球自由振荡0S0简正模对Tohoku大地震的震源机制解进行分析和约束.0S0振幅大小与地震断层的倾角(d...
The 2011 Magnitude 9.0 Tohoku-Oki Earthquake: Mosaicking the Megathrust from Seconds to Centuries
Magnitude 9.0 Tohoku-Oki Earthquake Mosaicing the Megathrust Seconds to Centuries
2014/4/9
Geophysical observations from the 2011 moment magnitude (Mw) 9.0 Tohoku-Oki, Japan earthquake allow exploration of a rare large event along a subduction megathrust. Models for this event indicate that...