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首页> 外文期刊>Oceanographic Literature Review >Source Process for Two Enigmatic Repeating Vertical-T CLVD Tsunami Earthquakes in the Kermadec Ridge
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Source Process for Two Enigmatic Repeating Vertical-T CLVD Tsunami Earthquakes in the Kermadec Ridge

机译：两种神秘重复的垂直垂直T型CLVD海啸在KermadeC岭的源进程

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摘要

Two repeating compensated linear vector dipole (CLVD) earthquakes occurred in 2009 and 2017 on the Kermadec Ridge near the Curtis submarine volcano. The tsunami and seismic waveforms of both events are almost identical. Simulated tsunami and seismic waveforms are compared with observations of the 2017 event to estimate the location and geometry of the source. A CLVD source model at 8-14 km depth is consistent with the global CMT solution but generates no tsunami. The tsunami waveforms can be well reproduced if the source model is about 1.5 km deep. However, a seismic source at this depth is not consistent with the observed seismic waves. This suggests that two sources were involved with different depths. The main, shallow, tsunami source could be due to hydrofracturing of heated water in a shallow sediment layer triggered by a deeper earthquake.
机译：两次重复补偿的准则载体偶极子（CLVD）地震发生在柯蒂斯潜艇火山附近的Kermadec Ridge 2009年和2017年。两种事件的海啸和地震波形几乎相同。将模拟的海啸和地震波形与2017年事件的观察结果进行了比较，以估计源的位置和几何形状。 8-14公里深度的CLVD源模型与全局CMT解决方案一致，但没有生成海啸。如果源模型深度约1.5公里，则可以很好地再现海啸波形。然而，这种深度的地震源与观察到的地震波不符。这表明两个来源涉及不同的深度。主要，浅，海啸源可能是由于浅沉积物中加热水的加氢背包，由更深的地震引发。

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