Numerical modeling results of vibroseismic monitoring of volcanic structures with different shape of the magma chamber

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Abstract

The paper considers the possibility of active monitoring of volcanic structures based on the simulation of vibroseismic transmission using the dynamical theory of elasticity. A solution method, a parallel algorithm, and a program system based on a finite-difference approach together with CFS-PML method of absorbing boundaries are developed. Different variations of a magmatic stratovolcano approximate model are considered, comparative numerical calculations are carried out. The calculated wave field inside the volcanic structure has a compound structure depending on the geometry of studied objects and their rheological characteristics. Based on the studies, it may be concluded that monitoring of the considered type of volcanoes using precision vibroseismic sources and seismic observation systems is possible. A variant of vibroseismic monitoring of Elbrus volcano using the observation system in the tunnel of the Baksan Neutrino Observatory is proposed.

Original languageEnglish
Article number012057
JournalJournal of Physics: Conference Series
Volume1715
Issue number1
DOIs
Publication statusPublished - 4 Jan 2021
EventInternational Conference on Marchuk Scientific Readings 2020, MSR 2020 - Akademgorodok, Novosibirsk, Russian Federation
Duration: 19 Oct 202023 Oct 2020

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