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Acoustic Wave - OSTI GOV

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Last Updated: 04 December 2022

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Seismo-Acoustic Wave Simulation for Earthquake-Generated Infrasound

Event detection and discrimination are extensively researched for Epicentral infrasound, which is immediate response to epicentral ground motions. Diffracted infrasound created by Rayleigh waves is often detected and reported. According to recent studies, the surface topography is also important for infrasound generation, and mountains or summits can serve as effective secondary infrasound sources. Acoustic wave transmission across the water-air interface is also investigated by using synthetic waveforms. Our research shows that shallow seas off the coast or over raised seafloors can carry a substantial amount of energy from acoustic waves in water and can be useful secondary infrasound sources.

Source link: https://www.osti.gov/biblio/1833208


Seismo-Acoustic Wave Simulation for the 2016 Kumamoto Earthquake

Event detection and discrimination have been extensively investigated for event detection and discrimination. Epicentral infrasound, which is a prompt response to epicentral ground motions, has been extensively investigated for event detection and discrimination. In this research, we perform complete 3-D seismoacoustic simulations to determine a related seismic and acoustic wave rise caused by an earthquake and energy partitioning across the solid Earth-ocean-atmosphere system. Acoustic wave propagation across the water-air interface is also investigated by using synthetic waveforms. According to our report, shallow seas off the coast or over elevated seafloors can carry a significant amount of electricity from acoustic waves in water and can be extremely efficient secondary infrasound sources.

Source link: https://www.osti.gov/biblio/1826880

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions