SEISMICITY of YAKUTIA in 2015

Author:

Shibaev S.1ORCID,Kozmin B.2,Makarov A.2

Affiliation:

1. Yakutia Branch of Geophysical Survey of the Russian Academy of Sciences, Yakutsk

2. Yakutia Branch of Geophysical Survey of the Russian Academy of Sciences, Yakutsk; Institute of Diamond and Precious Metal Geology, Siberian Division of the Russian Academy of Sciences, Yakutsk

Abstract

The results of monitoring the seismicity of the territory of Yakutia, based on observations of 23 digital seismic stations, are presented. A total of 607 earthquakes were recorded. A map of epicentres was compiled and their location was given in seismically active regions. The most active areas are Olekminsk in the south, Verkhoyansk and Chersky Ridge in the northeast and the Arctic part of the region. A significant decrease (19 times) in the amount of released seismic energy continued in comparison to its level in 2014. Instrumental and macroseismic data, focal mechanisms and seismotectonic connections are analyzed. The characteristics of the shaking South-Verkhoyansk earthquake occurring at the junction of the Verkhoyansk and Sette-Daban Ridges are considered.

Publisher

Geophysical Survey of the Russian Academy of Sciences - GS RAS

Reference23 articles.

1. Peresypkin, D.M., Shibaev, S.V., & Kozmin, B.M. (2021). [Seismic station of Yakutia in 2015 (YARS network code)]. Zemletriaseniia Severnoi Evrazii [Earthquakes in Northern Eurasia], 24(2015). Electronic supplement. Retrieved from http://www.ceme.gsras.ru/zse/app-24.html (In Russ.).

2. Kozmin, B.M., & Shibaev, S.V. (2020). [Yakutia]. Zemletriaseniia Severnoi Evrazii [Earthquakes in Northern Eurasia], 23(2014), 224–231. doi: 10.35540/1818-6254.2019.22.19 (In Russ.).

3. Krasilov, S.A., Kolomiets, M.V., & Akimov, A.P. (2006). [Organization of Digital Seismic Data Processing Using a Software Package WSG]. In Materialy I Mezhdunarodnoy seysmologicheskoy shkoly “Sovremennyye metody obrabotki i interpretatsii seysmologicheskikh dannykh” [Proceedings of the I International Seismological Workshop "Modern Methods of Processing and Interpretation of Seismological Data"] (pp. 77–83). Obninsk, Russia: GS RAS Publ. (In Russ.).

4. Goleneckij, S.I. (1988). [Earthquakes in Baikal and Transbaikalia]. In Zemletriaseniia v SSSR v 1985 godu [Earthquakes in USSR in 1985] (pp. 124–135). Moscow, Russia: Nauka Publ. (In Russ.).

5. Rautian, T.G. (1964). [On the determination of energy of earthquakes at a distance of 3000 km]. In Eksperimentalnaia seismika. Ttudy IFZ AN SSSR № 32(199) [Experimental seismic. Proceedings of the IFZ SA USSR, № 32(199))] (pp. 88–93). Moscow, Russia: Nauka Publ. (In Russ.).

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