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The Strong March 25, 2020 Earthquake East of the Northern Kuril Islands

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Abstract

The paper presents seismological, forecasting, and seismotectonic data on the strong March 25, 2020 earthquake in the Northern Kurils. The collected materials on an unusual deep lithospheric earthquake in the border area of the Northern Kurils and Southern Kamchatka made it possible to understand the structure of the source of this event, as well as to determine the features of the seismic process in it. The variability of release of the scalar seismic moment (M0) made it possible to trace the seismic history over the past 110 years in the preparation zone of the March 25 earthquake. The dynamics of development of the aftershock process in terms of the release of M0 was also studied.

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Funding

The study was carried out within the state tasks of IPE RAS and FRC GS RAS.

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Authors and Affiliations

  1. Schmidt Institute of Physics of the Earth, Russian Academy of Sciences, 123242, Moscow, Russia

    A. I. Lutikov, G. Yu. Dontsova, D. V. Likhodeev & E. A. Rogozhin

  2. Federal Research Center Geophysical Survey, Russian Academy of Sciences, 249035, Obninsk, Kaluga oblast, Russia

    A. I. Lutikov, G. Yu. Dontsova & E. A. Rogozhin

Authors
  1. A. I. Lutikov
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  2. G. Yu. Dontsova
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  3. D. V. Likhodeev
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  4. E. A. Rogozhin
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Correspondence to A. I. Lutikov.

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Lutikov, A.I., Dontsova, G.Y., Likhodeev, D.V. et al. The Strong March 25, 2020 Earthquake East of the Northern Kuril Islands. Seism. Instr. 57, 276–286 (2021). https://doi.org/10.3103/S0747923921030099

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  • DOI: https://doi.org/10.3103/S0747923921030099

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