Spectral Characteristics for Earthquakes of Klyuchevskoy Group of Volcanoes

Авторы: Molokova AP, Skorkina AA, Smirnov VB
Журнал: Izvestiya. Physics of the Solid Earth
Том: 60
Номер: 6
Год издания: 2024
Издательство: Pleiades Publishing, Inc.
Местоположение издательства: New York, USA
Первая страница: 1092
Последняя страница: 1104
Оригинальные версии: СПЕКТРАЛЬНЫЕ ХАРАКТЕРИСТИКИ ЗЕМЛЕТРЯСЕНИЙ КЛЮЧЕВСКОЙ ГРУППЫ ВУЛКАНОВ
DOI: 10.1134/S1069351324700903
Аннотация: The Klyuchevskoy group of volcanoes is a unique research object, also from a seismological pointof view. Classical high-frequency and long-period earthquakes of varying depths are being observed here, andthe installation of temporary stations as part of the KISS project has made it possible to apply new methodsto classify the observed seismicity. Two methods for determining seismic moments are used in the study. Thespectral ratio method is used for the first time, which makes it possible to estimate the seismic moments ofsource spectra for the magnitude range Mw = 1–3. An independent assessment of seismic moments is alsoperformed using a spectral method based on the level of low-frequency plateau of the amplitude displacementspectrum of body waves, and relation with the local magnitude is studied.
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