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The seismological and geodetical roles of strain seismogram suggested from the 2004 off the Kii peninsula earthquakes

机译:从2004年基伊半岛地震看,应变地震图的地震学和大地测量作用

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摘要

Dynamic strain seismograms obtained by high-speed sampling include not only long-period changes, such as 'strain-step', step change in strain, but also short period variations, such as body waves. We studied dynamic strain variations caused by the 2004 off the Kii peninsula earthquakes. Using such strain seismograms, we clarified the relation between dynamic strain and velocity. Our results will contribute greatly to seismology. We also clarified the strain-step formation process. This result and the concept of dynamic strain will bring more information to geodetics.
机译:通过高速采样获得的动态应变地震图不仅包括长周期变化(例如“应变阶跃”),应变阶跃变化,还包括短期变化(例如体波)。我们研究了2004年基伊半岛地震造成的动态应变变化。使用这种应变地震图,我们阐明了动态应变与速度之间的关系。我们的结果将大大有助于地震学。我们还阐明了应变步骤的形成过程。这一结果和动态应变的概念将为大地测量学带来更多信息。

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