SEISMICITY of the RUSSIAN PART of EAST EUROPEAN PLATFORM and ADJACENT TERRITORIES in 2018–2019

Author:

Gabsatarova I.P.1,Assinovskaya B.A.1,Baranov S.V.2,Karpinsky V.V.1,Konechnaya Ya.V.3,L.M. Munirova 1,Nadezhka L.I.1,Noskova N.N.4,Petrov S.I.2,Pivovarov S.P.1,Sanina I.A.5

Affiliation:

1. Geophysical Survey of the Russian Academy of Sciences

2. Kola Branch of the Russian Academy of Sciences

3. Geophysical Survey of RAS Arkhangelsk

4. Institute of Geology of Komi Science Centre of the Ural Branch of the Russian Academy of Sciences

5. Institute of Dynamics of Geospheres of the Russian Academy of Sciences

Abstract

Seismic observations by 48 stationary seismic stations, including twelve temporary seismic stations located in the area of Novovoronezh and Kursk nuclear power plants, were carried out on the Russian territory of the East European Platform. A feature of seismicity in 2018–2019 is a unique Kandalaksha earthquake of November 5, 2019 with ML=3.8 in the Belomorsky region. Its focal mechanism was represented by a normal fault. For the first time, a noticeable earthquake with МL=3.4 was recorded on September 5, 2019 at the Pashninskoye and Beregovoye fields in the Timan-Pechora oil and gas province. It was felt in Neftepechorsk working settlement with an intensity of up to 4 MSK-64. As before, weak natural seismicity was recorded on the Baltic Shield: in Karelia, in areas bordering Finland, near the Kandalaksha Bay, near the Khibiny and Lovozero massifs on the Kola Peninsula, on the Voronezh crystalline massif territory, especially in the zone of its junction with the DnieperDonetsk trough.

Publisher

Geophysical Survey of the Russian Academy of Sciences - GS RAS

Subject

Aerospace Engineering

Reference20 articles.

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2. Morozov, A.N., Vaganova, N.V., Asming, V.E., Baluev, A.S., & Asming, S.V. (2022). Seismicity of the White Sea Region. Seismic Instruments, 58(3), 311–329. DOI: https://doi.org/10.21455/si2022/1-1.

3. Noskova, N.N. (2019). [Earthquake on September 5, 2019 in the Sosnogorsk region of the Komi Republic]. Izvestiya Komi nauchnogo tsentra URO RAN [News of the Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences], 4(40), 45–49. (In Russ.). DOI: https://doi.org/10.19110/1994-5655-2019-4-45-49

4. Noskova, N.N., & Gabsatarova, I.P. (2019). [Earthquake on October 18, 2018 within the Mezen syneclise]. Geologiya i mineral'nyye resursy Yevropeyskogo Severo-Vostoka Rossii: Materialy KHVII Geologicheskogo s"yezda Respubliki Komi [Geology and mineral resources of the European North-East of Russia: Proceedings of the XVII Geological Congress of the Komi Republic], 2, 66–69. (In Russ.).

5. Panas, N.M., & Assinovskaya, B.A. (2022). [Dynamic parameters of weak earthquakes on the southeastern slope of the Baltic Shield]. Rossiiskii seismologicheskii zhurnal [Russian Journal of Seismology], 4(4), 65– 78. (In Russ.). DOI: https://doi.org/10.35540/2686-7907.2022.4.05. EDN: AFPGFJ

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