Scaling Analysis of Time Distribution between Successive Earthquakes in Aftershock Sequences

• Autorzy: Marekova E.

Identyfikatory

DOI

10.1515/acgeo-2016-0037

• Języki publikacji: EN

Abstrakty

EN

The earthquake inter-event time distribution is studied, using catalogs for different recent aftershock sequences. For aftershock sequences following the Modified Omori’s Formula (MOF) it seems clear that the inter-event distribution is a power law. The parameters of this law are defined and they prove to be higher than the calculated value (2 – 1/p). Based on the analysis of the catalogs, it is determined that the probability densities of the inter-event time distribution collapse into a single master curve when the data is rescaled with instantaneous intensity, R(t; Mth), defined by MOF. The curve is approximated by a gamma distribution. The collapse of the data provides a clear view of aftershock-occurrence self-similarity.

Słowa kluczowe

EN

earthquakes; aftershocks; self-similarity; Omori’s law; inter-event time distribution

PL

trzęsienia ziemi; wstrząs wtórny; samopodobieństwo; prawo Omoriego

• Wydawca: Instytut Geofizyki PAN ; Springer
• Czasopismo: Acta Geophysica
• Rocznik: 2016
• Tom: Vol. 64, no. 4
• Strony: 885--903
• Opis fizyczny: Bibliogr. 43 poz.

Twórcy

autor

Marekova E.

• Plovdiv University “Paisiy Hilendarski”, Plovdiv, Bulgaria

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę