Seismicity of the White Sea Region

The history of instrumental observations in the northwestern East European Platform and the degree of seismological knowledge of the White Sea region is presented. The paper describes the modern seismicity of the White Sea region and considers in detail the strongest earthquake in the region for the...

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Bibliographic Details
Published in:Seismic instruments 2022, Vol.58 (3), p.311-329
Main Authors: Morozov, A. N., Vaganova, N. V., Asming, V. E., Baluev, A. S., Asming, S. V.
Format: Article
Language:English
Subjects:
Earth and Environmental Science
Earth Sciences
Earthquakes
Geophysics/Geodesy
Graben
Platforms (geology)
Seismic activity
Seismicity
Seismology
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Summary:The history of instrumental observations in the northwestern East European Platform and the degree of seismological knowledge of the White Sea region is presented. The paper describes the modern seismicity of the White Sea region and considers in detail the strongest earthquake in the region for the last decades, which occurred on November 5, 2019, and, according to some features, can be thought to be unique to the region. The earthquake epicenter is located in the area of the interbasin bar dividing the Kandalaksha and Kolvitsky grabens. The calculated focal mechanism of the source shows the normal dip slip of blocks along the fault, which corresponds to he modern extension of the crust and the continuing development of the Kolvitsky graben.
ISSN:0747-9239
1934-7871
DOI:10.3103/S0747923922030112