Remarkable cyclic ground deformation monitored in real-time on Montserrat, and its use in eruption forecasting

B. Voight, R. P. Hoblitt, A. B. Clarke, A. B. Lockhart, A. D. Miller, L. Lynch, J. McMahon

Research output: Contribution to journalArticle

160 Scopus citations

Abstract

Telemetered high-resolution tiltmeters were installed in Montserrat in summer of 1995, in December 1996, and in May 1997. The 1995 installations, several km from the Soufriere Hills vent, were too distnat to yield useful data. However, the 1996 and 1997 installations on the crater rim revealed 6-14 h inflation cycles caused by magma pressurization at shallow depths (<0.6 km below the base of dome). The tilt data correlated with seismicity, explosions, and pyroclastic flow activity, and were used to forecast times of increased volcanic hazard to protect scientific field workers and the general public.

Original languageEnglish (US)
Pages (from-to)3405-3408
Number of pages4
JournalGeophysical Research Letters
Volume25
Issue number18
DOIs
StatePublished - Sep 15 1998
Externally publishedYes

ASJC Scopus subject areas

  • Geophysics
  • Earth and Planetary Sciences(all)

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