| Abstract: | Satellite radar interferometric images of Long Valley caldera show a pattern of surface deformation that resembles that expected from analysis of an extensive suite of ground-based geodetic data. Images from 2 and 4 year intervals respectively, are consistent with uniform movement rates determined from leveling surveys. Synthetic interferograms generated from ellipsoidal-inclusion source models based on inversion of the ground-based data show generally good agreement with the observed images. Two interferograms show evidence for a magmatic source southwest of the caldera in a region not covered by ground measurements. Poorer image quality in the 4 year interferogram indicates that temporal decorrelation of surface radar reflectors is progressively degrading the fringe pattern in the Long Valley region. Copyright 1997 by the American Geophysical Union. |
| Genre: | Article |
| ProdID: | 70019286 |
| Citation Author: | Thatcher, W.; Massonnet, D. |
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| Citation End Page: | 2522 |
| Citation Issue: | 20 |
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| Citation Language: | English |
| Citation Larger Work Title: | Geophysical Research Letters |
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| Citation Number Of Pages: | 4 |
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| Citation Search Results Text: | Crustal deformation at long Valley Caldera, eastern California, 1992-1996 inferred from satellite radar interferometry; 1997; Article; Journal; Geophysical Research Letters; Thatcher, W.; Massonnet, D. |
| Citation Start Page: | 2519 |
| Citation Volume: | 24 |
| Citation Year: | 1997 |
| Type: | citation/reference |
| Text: | Crustal deformation at long Valley Caldera, eastern California, 1992-1996 inferred from satellite radar interferometry; 1997; Article; Journal; Geophysical Research Letters; Thatcher, W.; Massonnet, D. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| Date Other: | Wed, 1 Jan 1997 00:00 -0600 |
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