Quasi-static stress change around Mount Fuji region due to Tohoku mega-thrust earthquake

Eisuke Fujita, Tomofumi Kozono, Norio Toda, Aiko Kikuchi, Yoshiaki Ida

Research output: Contribution to journalArticlepeer-review

Abstract

The 2011 Tohoku mega-thrust earthquake caused huge crustal deformation over a wide are of Mainland Japan. Many mega-thrust earthquakes worldwide have triggered volcanic eruptions nearby, and it is assumed that stress changes due to the Tohoku earthquake resulted in a perturbation to the magma system. The objectives of our study is to evaluate this perturbation quantitatively and to analyze the mechanism of the interaction between mega-thrust earthquakes and volcanic eruptions. This paper focuses on quasi-static stress change due to viscous relaxation of a source region and the surrounding area.

Original languageEnglish
Pages (from-to)365-372
Number of pages8
JournalJournal of Disaster Research
Volume9
Issue number3
DOIs
Publication statusPublished - 2014 Jun

Keywords

  • FEM
  • MPC
  • Mount Fuji
  • Quasi-static stress change
  • Viscosity

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Engineering (miscellaneous)

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