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首页> 外文期刊>Earth, planets and space: EPS >Seafloor displacement at Kumano-nada caused by the 2004 off Kii Peninsula earthquakes, detected through repeated GPS/Acoustic surveys
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Seafloor displacement at Kumano-nada caused by the 2004 off Kii Peninsula earthquakes, detected through repeated GPS/Acoustic surveys

机译:通过反复的GPS /声波探测发现2004年基伊半岛地震在库马诺-纳达造成的海底位移

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In 2004, we started monitoring crustal deformation at Kumano-nada in the Nankai trough using the GPS/Acoustic technique. We observed a large southward seafloor displacement of ~30 cm associated with the off Kii Peninsula earthquake, which occurred in September 2004, between our two survey campaigns in August and November 2004. The observed seafloor displacement is larger than that predicted from a slip model derived solely from GPS measurements on land. This may indicate the earthquake fault is slightly shallower and extends move to the NW than previously estimated.
机译:2004年,我们开始使用GPS /声学技术监测南海海槽Kumano-nada的地壳变形。在2004年9月和2004年8月至11月的两次勘测活动之间,我们观察到与2004年9月发生的基伊半岛海啸相关的大的向南约30 cm的海底位移。观测到的海底位移大于从滑移模型推导的预测值仅来自陆地上的GPS测量。这可能表明地震断层比以前估计的要浅一些,并且向西北方向扩展。

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