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

1
Department of Engineering, Roma Tre University, via Vito Volterra 62, 00146 Rome, Italy
2
Department of Civil, Constructional and Environmental Engineering, Sapienza University of Rome, via Eudossiana 18, 00184 Rome, Italy
*
Author to whom correspondence should be addressed.
Geosciences 2019, 9(7), 300; https://doi.org/10.3390/geosciences9070300
Received: 11 June 2019 / Revised: 1 July 2019 / Accepted: 3 July 2019 / Published: 9 July 2019
(This article belongs to the Special Issue Marine Geohazards: New Insights and Perspectives)
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Abstract

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. View Full-Text
Keywords: hydro-acoustic wave; tsunami early warning; Negros-Cebu earthquake; GoPro camera recording hydro-acoustic wave; tsunami early warning; Negros-Cebu earthquake; GoPro camera recording
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Cecioni, C.; Romano, A.; Bellotti, G.; De Girolamo, P. 3D Numerical Simulation of Hydro-Acoustic Waves Registered during the 2012 Negros-Cebu Earthquake. Geosciences 2019, 9, 300.

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