E3S Web Conf.
Volume 196, 2020XI International Conference “Solar-Terrestrial Relations and Physics of Earthquake Precursors”
|Number of page(s)||9|
|Section||Geophysical Fields and their Interactions|
|Published online||16 October 2020|
Some features of acoustic and electric responses of near-surface sedimentary rocks during deformations by seismic waves from strong earthquakes (Mw > 6.5)
1 Institute of Cosmophysical Research and Radio Wave Propagation FEB RAS, Mirnaya, 7, Paratunka, Kamchatkskiy kray, 684034, Russia
2 Institute of Volcanology and Seismology FEB RAS, bul’var Piypa, 9, Petropavlovsk-Kamchatskiy, 683006, Russia
* Corresponding author: firstname.lastname@example.org
Acoustic and electric responses of near-surface sedimentary rocks are considered. They were recorded during the deformations by seismic waves from six earthquakes with magnitude Mw = 6.6-7.7 at the distances of 131-728 km from epicenters in Kamchatka region. Behavior of both responses during soil displacement and displacement velocity during wave propagation are un-der the analysis. The dependence of intensity and character of the responses manifestation on earthquake magnitude and the distance to its source had been discovered by the authors earlier and is confirmed in the work. It was discov-ered that the occurrence of acoustic response in kilohertz range correlates well with the behavior of soil displacement velocity vector and its spectrum.
© The Authors, published by EDP Sciences, 2020
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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