Evidence for great Holocene earthquakes along the outer coast of Washington state

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Abstract

Intertidal mud has buried extensive, well-vegetated lowlands in westernmost Washington at least six times in the past 7000 years. Each burial was probably occasioned by rapid tectonic subsidence in the range of 0.5 to 2.0 meters. Anomalous sheets of sand atop at least three ofthe buried lowlands suggest that tsunamis resulted from the same events that caused the subsidence. These events may have been great earthquakes from the subduction zone between the Juan de Fuca and North America plates.

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Publication type Article
Publication Subtype Journal Article
Title Evidence for great Holocene earthquakes along the outer coast of Washington state
Series title Science
DOI 10.1126/science.236.4804.942
Volume 236
Issue 4804
Year Published 1987
Language English
Publisher American Association for the Advancement of Science
Description 3 p.
First page 942
Last page 944
Country United States
State Washington
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