Tilt and Seismicity Changes in the Shumagin Seismic Gap

R. J. Beavan, E. Hauksson, Stephen R. McNutt, R. Bilham, K. H. Jacob

Research output: Contribution to journalArticlepeer-review

Abstract

Changes in the ground surface tilt and in the rate of seismicity indicate that an aseismic deformation event may have occurred between 1978 and 1980 along the plate boundary in the eastern Aleutians, Alaska, within the Shumagin seismic gap. Pavlof Volcano was unusually quiescent during this period. The proposed event would cause an increase of stress on the shallow locked portion of the plate boundary, bringing it closer to rupture in a great earthquake.

Original languageAmerican English
JournalScience
Volume222
DOIs
StatePublished - Jan 1 1983
Externally publishedYes

Disciplines

  • Earth Sciences

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