A Phenomenological Theory of Aftershocks Following a Large EarthquakeстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 26 января 2022 г.
Аннотация:The paper presents a general outline of the phenomenological theory of aftershocks, i.e., subsequent shocks that occur in the source volume after the main shock. It is proposed to describe the evolution of aftershocks in time by the logistic Ferhulst equation. Apparently, the well-known Kolmogorov–Petrovsky–Piskunov (KPP) equation can serve as a basis for further development of the theory. The KPP equation has solutions that simulate the effect of slow aftershock propagation. The logistic equation describing the evolution of aftershocks averaged over the epicenter zone follows from it. The proposed approach may be useful in searching for models of foreshocks, main shock, and earthquake swarms.