A three-dimensional velocity model of the medium and the stress field in the area of the Karymskii Volcanic Center

L. B. Slavina, N. B. Pivovarova, I. A. Garagash, V. I. Levina

Research output: Contribution to journalArticlepeer-review

Abstract

A 3-D model of the velocity field is constructed from P and S waves on the basis of seismic evidence for local earthquake that occurred in 1996 in the area of the Karymskii Volcanic Center on Kamchatka. The velocity field calculated for an area of 50 x 40 km at depths of 0-70 km is nonuniform and significantly varies with area, depth, and time. We relate the inferred regular patterns to specific features of the structure and state of the medium and to variations in the volcanic and seismic activities. For the first time, an attempt is made to reveal significant distinctions in the velocity fields during different periods of volcanic and seismic processes.

Original languageEnglish
Pages (from-to)552-562
Number of pages11
JournalIzvestiya, Physics of the Solid Earth
Volume40
Issue number7
Publication statusPublished - Jul 2004
Externally publishedYes

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