Around-the-world seismic echo as a trigger for aftershocks and the main shock of an earthquake

Авторы: Guglielmi A.V., Zotov O.D.
Журнал: Preprint Arxiv.org (Cornell University Library)
Год издания: 2024
Первая страница: 1
Последняя страница: 11
Номер статьи: 2404.18258
DOI: 10.48550/ARXIV.2404.18258
Аннотация: The essence of the cumulative effect of a round-the-world seismic echo is that the echo can serve as a trigger for a second tremors in the epicentral zone of the earthquake that gave rise to the echo. According to the classification of triggers, the round-the-world echo is an endogenous force mechanical additive trigger. The round-the-world echo excited by the main shock as a trigger for aftershocks has been studied in detail previously. In this work, the question of whether a foreshock can excite a round-the-world echo, which will turn out to be a trigger for the main shock, is posed and experimentally studied. In the course of the study, the classification of the so-called triads of earthquakes was considered. When studying one of the six types of triads, indirect signs were found that the answer to the question posed may be positiveKey words: earthquake source, main rupture, foreshock, triad of earthquakes, cumulative effect, free vibrations of the Earth.
Добавил в систему: Зотов Олег Дмитриевич

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