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Title: RESEARCH OF THE FEATURES OF THE DEFORMATION PROCESS IN THE BAIKAL REGION
RESEARCH OF THE FEATURES OF THE DEFORMATION PROCESS IN THE BAIKAL REGION

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M.Parushkin; S.Panov;V. Zhmud;L. Dimitrov;Y. Fomin
10.5593/sgem2020/2.1/s08.071
1314-2704
978-619-7603-06-4
English
20
2.1
Geoinformatics
The report presents the results of studies of the characteristics of the deformation signal
during the preparation of regional earthquakes according to laser deformation
measurements in the adit of the Talaya seismic station (Baikal region). Studies have
shown a number of features during the deformation process on the eve of regional
earthquakes. The deformation data recorded on the seismic station (? = 51°40`48``N,
? = 103°38`24``E) during the period from 1994 to 2015 were used as experimental
material. During the considered time interval, about 8000 earthquakes with an energy
class K > 8 were recorded in the Baikal rift zone. An analysis of the experimental data
made it possible to verify that the demonstration of the features in the deformation
signal significantly depends on two parameters: the energy class of the earthquake K
and the distance from its epicenter to the observation station L. It was empirically
established that a laser strainmeter used in the adit of the ?Talaya? seismic station is
able to clearly detect anomalous movements of the Earth's crust at a distance of 20?30
km from the epicenter of the upcoming seismic event, if its energy class is K ?10. In the
case of preparing an earthquake with an energy class of K ? 13 ? 14, the sensitivity
radius of the laser system reaches L ~ 100 km. The analysis of a large volume of
experimental data showed the presence of a number of disturbances during the lunarsolar
tidal deformation, repeated on the eve of regional earthquakes. The discovered
features of the deformation process in the seismically active region of the Baikal rift
zone are of interest both for studying the geodynamics of the region and for developing
short-term precursors of regional earthquakes.
conference
https://www.sgem.org/index.php/jresearch-article?citekey=Zhmud20208553558
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20th International Multidisciplinary Scientific GeoConference SGEM 2020
20th International Multidisciplinary Scientific GeoConference SGEM 2020, 18 - 24 August, 2020
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference-SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts & Letters; Acad Fine Arts Zagreb Croatia; C
553-558
18 - 24 August, 2020
website
cdrom
7032
laser strainmeter system; super-long period oscillations; earthquake;
precursors of earthquakes; Baikal region