Groundwater-level changes in response to bursts of seismic activity off the Izu Peninsula, Japan

Masao Ohno, Tsutomu Sato, Kenji Notsu, Hiroshi Wakita, Kunio Ozawa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

At two strain-sensitive wells located close (~5km) to seismic swarm activities off the Izu Peninsula, Japan, we observed water-level changes that were synchronized with bursts of seismic activity during an active period in October 1996. The water levels started to drop at the onset of each burst, and stopped dropping as it ceased. This is the first hydrological observation in response to bursts in this area. The data suggests the occurrence of some local crustal deformation at the time of the bursts of seismicity.

Original languageEnglish
Pages (from-to)2501-2504
Number of pages4
JournalGeophysical Research Letters
Volume26
Issue number16
DOIs
Publication statusPublished - Jan 1 1999
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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