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3D Numerical Simulation of Hydro-Acoustic Waves Registered during the 2012 Negros-Cebu Earthquake

机译：在2012年内格罗斯-宿雾大地震中记录的水声波的3D数值模拟

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摘要

The paper investigates on the hydro-acoustic waves propagation caused by the underwater earthquake, occurred on 6 February 2012, between the Negros and Cebu islands, in the Philippines. Hydro-acoustic waves are pressure waves that propagate at the sound celerity in water. These waves can be triggered by the sudden vertical sea-bed movement, due to underwater earthquakes. The results of three dimensional numerical simulations, which solve the wave equation in a weakly compressible sea water domain are presented. The hydro-acoustic signal is compared to an underwater acoustic signal recorded during the event by a scuba diver, who was about 12 km far from the earthquake epicenter.
机译：本文调查了2012年2月6日在菲律宾的内格罗斯岛和宿雾岛之间发生的水下地震引起的水声波传播。水声波是在水中以声速传播的压力波。由于水下地震，突然的垂直海床运动可能触发这些波浪。给出了三维数值模拟的结果，这些结果解决了在弱可压缩海水域中的波动方程。将水声信号与事件期间由一名潜水员记录的水下声信号进行比较，该潜水员距离地震震中约12公里。

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