On the Spatial-Temporal Structure of Aftershock Sequences

Авторы: Zotov O.D., Zavyalov A.D., Klain B.I.
Сборник: Springer Proceedings in Earth and Environmental Sciences
Редактор: Чалов Сергей Романович
Год издания: 2020
Место издания: Cham, Switzerland
Первая страница: 199
Последняя страница: 206
DOI: 10.1007/978-3-030-21788-4_16
Аннотация: The work presents results of statistical analysis of the spatial-temporal distribution of strong aftershocks. Data from the world catalog of earthquakes USGS/NEIC from 1973 to 2014 (https://earthquake.usgs.gov) and from the regional earthquakes catalog of Northern California from 1968 to 2007 (http://www.ncedc. org) were used. Short time intervals were considered—no more than 10 h before and after main shock and distance from the epicenter of the main shock—up to 5°. The distribution of the aftershocks number in the time-distance coordinates from the main shocks was investigated. The main shocks with magnitude Mms ≥ 7.5 and aftershocks with 6 ≤ Maft < Mms for the world catalog NEIC USGS and the main shocks Mms ≥ 5 and aftershocks with 4 ≤ Maft < Mms for Northern California catalog were considered. It is shown that the spatial-temporal distribution of strong aftershocks forms a similarity of a wave structure.
Добавил в систему: Завьялов Алексей Дмитриевич

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