Recurrence intervals for great earthquakes of the past 3,500 years at northeastern Willapa Bay, Washington
Professional Paper
1576
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- Document: Report (pdf)
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Abstract
Seven great earthquakes, or earthquake series, probably ruptured the southern Washington part of the Cascadia subduction zone in the past 3,500 years. Each earthquake was probably of magnitude 8 or larger. The earthquakes define six recurrence intervals that average about 500 years. The longest interval, about 700-1300 years, was followed by two of the shortest, which together lasted less than 800 years. Another long interval, 600-1000 years, ended with an earthquake 300 years ago.
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Recurrence intervals for great earthquakes of the past 3,500 years at northeastern Willapa Bay, Washington |
| Series title | Professional Paper |
| Series number | 1576 |
| DOI | 10.3133/pp1576 |
| Edition | - |
| Year Published | 1997 |
| Language | ENGLISH |
| Publisher | U.S. G.P.O. ; Information Services [distributor], |
| Description | 108 p. |
| Google Analytic Metrics | Metrics page |