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Science 5 April 1991:
Vol. 252. no. 5002, pp. 101 - 103
DOI: 10.1126/science.252.5002.101
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Articles

Strain Measurements and the Potential for a Great Subduction Earthquake Off the Coast of Washington

J. C. SAVAGE 1 and M. LISOWSKI 1

1 U.S. Geological Survey, 345 Middlefield Road, Mail Stop 977, Menlo Park, CA 94025

Geodetic measurements of deformation in northwestern Washington indicate that strain is accumulating at a rate close to that predicted by a model of the Cascadia subduction zone in which the plate interface underlying the continental slope and outer continental shelf is currently locked but the remainder of the interface slips continuously. Presumably this locked segment will eventually rupture in a great thrust earthquake with a down-dip extent greater than 100 kilometers.

Submitted on November 7, 1990
Accepted on February 7, 1991


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Variability of Near-Term Probability for the Next Great Earthquake on the Cascadia Subduction Zone.
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Bulletin of the Seismological Society of America 94, 1954-1959
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Geological Society of America Bulletin 116, 655-670
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Liquefaction Evidence for the Strength of Ground Motions Resulting from Late Holocene Cascadia Subduction Earthquakes, with Emphasis on the Event of 1700 A.D..
(2000)
Bulletin of the Seismological Society of America 90, 876-896
Models of rapid relative sea-level change in Washington and Oregon, USA.
A. J. Long, A. J. Long, and I. Shennan (1998)
The Holocene 8, 129-142
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Forearc Deformation and Great Subduction Earthquakes: Implications for Cascadia Offshore Earthquake Potential.
R. McCaffrey, R. McCaffrey, and C. Goldfinger (1995)
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Detection of Large Prehistoric Earthquakes in the Pacific Northwest by Microfossil Analysis.
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Estimating Potential Capital Losses from Large Earthquakes.
P. N. Nemetz and K. Dushnisky (1994)
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