| Abstract: | In 1980, a large earthquake caused extensive sediment failure on the shallow continental shelf off the Klamath River in northern California. Side-scan sonography was used to complement detailed geophysical profiling in identifying specific features and resolving modes of failure. The features include a nearly flat failure terrace mantled with sand boils, collapse craters and sediment flows, and bounded on the seaward side by a meandering continuous toe ridge. Seaward of the terrace lies a compression zone delineated by small pressure ridges. Our findings indicate a temporal progression of failure from lique-faction of shallow subsurface sand to lateral spread of intact blocks to sediment collapse and flow. ?? 1982 A. M. Dowden, Inc. |
| Genre: | Article |
| ProdID: | 70000678 |
| Citation Author: | Field, M. E.; Hall, R. K. |
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| Citation End Page: | 141 |
| Citation Issue: | 3-4 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geo-Marine Letters |
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| Citation Publisher: | Springer-Verlag |
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| Citation Search Results Text: | Sonographs of submarine sediment failure caused by the 1980 earthquake off northern California; 1982; Article; Journal; Geo-Marine Letters; Field, M. E.; Hall, R. K. |
| Citation Start Page: | 135 |
| Citation Volume: | 2 |
| Citation Year: | 1982 |
| Type: | citation/reference |
| Text: | Sonographs of submarine sediment failure caused by the 1980 earthquake off northern California; 1982; Article; Journal; Geo-Marine Letters; Field, M. E.; Hall, R. K. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1007/BF02462754 |
| Date Other: | Tue, 28 Sep 2010 23:09 -0500 |
| Publisher: | Springer-Verlag |
