Work

Characteristic Ddepth distribution of crustal earthquakes in Southern Siberia

Year: 2024

Type: article

Abstract: The key parameters of an earthquake are magnitude, epicenter coordinates, and depth. Depth often has a decisive influence on the macroseismic effect of certain earthquakes. In this regard, for example, to assess seismic risk, one should know information on the statistics of earthquake occurrence at certain depths. In this work, catalogs of continental crustal earthquakes in the Southern Siberia are analyzed. The distributions of earthquake depths are approximated by various functions. The Weibull distribution, with a maximum at 8 km, is shown to describe the depth distribution of these crustal earthquakes most accurately. When the western (Altai–Sayan) and eastern (Baikal Rift Zone) parts of the region are considered separately, the Weibull distribution is also preferable. The maximum of the distribution is found to be at 9 km for the Baikal rift zone and at 7 km for the Altai–Sayan zone.

Source: Физика земли

DOI: 10.31857/s0002333724040046

Authors: P. A. Malyutin, A. A. Skorkina, I. A. Vorobieva, S. V. Baranov, S. D. Matochkinaa, A. P. Molokova, P. N. Shebalin

Institutions: Russian Academy of Sciences, Lomonosov Moscow State University, Institute of Earthquake Prediction Theory and Mathematical Geophysics, Schmidt Institute of Physics of the Earth, Geophysical Center, Geophysical Survey

Language: English

Topic: earthquake and tectonic studies

Subfield: Geophysics

Field: Earth and Planetary Sciences

Domain: Physical Sciences

Open Access status: bronze

OpenAlex ID: W4401691276

FWCI: 0.264

Cites: 9

Cited by: 1

Related to: 10