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首页> 外文期刊>Earth, planets and space: EPS >Coseismic slip distribution of the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0) estimated based on GPS data-Was the asperity in Miyagi-oki ruptured?
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Coseismic slip distribution of the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0) estimated based on GPS data-Was the asperity in Miyagi-oki ruptured?

机译：根据GPS数据估算的2011年东北太平洋太平洋海岸地震（M 9.0）的地震滑移分布-宫城县的隆起是否破裂了？

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摘要

We investigated the crustal deformation associated with the 2011 off the Pacific coast of Tohoku Earthquake (M 9.0) that occurred on March 11, 2011, along the plate boundary off Tohoku district, northeastern Japan, based on dense GPS observation. Coseismic displacements due to this event were applied to estimate the causal interplate slip by means of a geodetic inversion analysis. The major slip area is located around the asperities of the 1981 Miyagi-oki (M 7.2) and 2003 Fukushima-oki (M 6.8) earthquakes and the maximum slip is estimated as being up to 35 m. The estimated slip distribution suggests that the asperities of the Miyagi-oki earthquake in 1978 (M 7.4) that had not been ruptured during the Miyagi-oki earthquake in 2005 were ruptured as a part of the main shock fault of the 2011 off the Pacific coast of Tohoku Earthquake.
机译：我们根据密集的GPS观测资料，调查了2011年3月11日发生在东北东北太平洋板块边界的东北太平洋地震（M 9.0）2011年相关的地壳变形。通过大地反演分析，将因该事件引起的同震位移应用于估算因板间滑移。主要的滑移区位于1981年宫城-冲木（M 7.2）和2003年福岛-冲木（M 6.8）地震的隆起附近，最大滑移估计达35 m。估计的滑动分布表明，1978年宫城-冲木地震的凹凸不平（M 7.4）在2005年宫城-冲木地震中没有破裂，是2011年太平洋沿岸主要地震断层的一部分东北地震。

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