Research of the seismic velocity variation under the Redoubt volcano-Reference-Cited by-同舟云学术

Research of the seismic velocity variation under the Redoubt volcano

Published:2022-03-11 Issue:4 Volume: Page:36-46
ISSN:2619-1563
Container-title:Russian Journal of Geophysical Technologies
language:
Short-container-title:Russian Journal of geophysical technologies

Author:

Kasatkina E. V.¹,Stupina T. A.¹,Koulakov I. Yu.²

Affiliation:

1. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS

2. Trofimuk Institute of Petroleum Geology and Geophysics SB RAS, Novosibirsk State University

Abstract

Volcanoes are the most rapidly changing and difficult to study geological features. Identifying physical signatures of processes occurring during seismic and volcanic activity is one of the most important problem in seismology. Here we reveal temporal changes of seismic velocity in the upper crust for two years of eruption activity of the Redoubt volcano. Based on correlation of continuous records of seismic noise at pairs of stations, we obtained correlograms for selected time periods. Using the stretching method, we obtained relative velocity changes between stations. These variations appear to be consistent with the results of repeated tomography that was previously derived based on body waves from local earthquakes.

Publisher

Trofimuk Institute of Petroleum Geology and Geophysics (SB RAS)

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