Mapping pressurized volcanic fluids from induced crustal seismic velocity drops

F. Brenguier, M. Campillo, T. Takeda, Y. Aoki, N. M. Shapiro, X. Briand, K. Emoto, H. Miyake

研究成果: ジャーナルへの寄稿学術誌査読

225 被引用数 (Scopus)

抄録

Volcanic eruptions are caused by the release of pressure that has accumulated due to hot volcanic fluids at depth. Here, we show that the extent of the regions affected by pressurized fluids can be imaged through the measurement of their response to transient stress perturbations. We used records of seismic noise from the Japanese Hi-net seismic network to measure the crustal seismic velocity changes below volcanic regions caused by the 2011 moment magnitude (Mw) 9.0 Tohoku-Oki earthquake. We interpret coseismic crustal seismic velocity reductions as related to the mechanical weakening of the pressurized crust by the dynamic stress associated with the seismic waves. We suggest, therefore, that mapping seismic velocity susceptibility to dynamic stress perturbations can be used for the imaging and characterization of volcanic systems.

本文言語英語
ページ(範囲)80-82
ページ数3
ジャーナルScience
345
6192
DOI
出版ステータス出版済み - 2014
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 一般

フィンガープリント

「Mapping pressurized volcanic fluids from induced crustal seismic velocity drops」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル