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- Publisher Website: 10.1029/2009GL041213
- Scopus: eid_2-s2.0-75749157714
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Article: Coseismic fault slip of the 2008 Mw 7.9 Wenchuan earthquake estimated from InSAR and GPS measurements
Title | Coseismic fault slip of the 2008 Mw 7.9 Wenchuan earthquake estimated from InSAR and GPS measurements |
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Authors | |
Issue Date | 2010 |
Citation | Geophysical Research Letters, 2010, v. 37, n. 1 How to Cite? |
Abstract | We infer co-seismic fault slip during the 2008 Mw 7.9 Wenchuan earthquake from interferometric synthetic aperture radar (InSAR) and GPS observations of ground deformation. We use ALOS/PALSAR data from ascending orbits on six tracks, and we do not use data that are strongly affected by ionospheric perturbations. We use a fault model composed of three planar fault segments of the Beichuan fault, and one planar segment representing the parallel Pengguan fault. Maximum thrust-slip is up to 6.7 m near the surface, and occurs in two locations, near Yingxiu in the south and Beichuan in the center of the rupture. Maximum strike-slip is over 4 m, and occurs near Pingtong and Nanba along the northern end of the rupture. We find that the ratio of coseismic thrust-to strike-slip on the Beichuan fault decreases from 1.5 to 0.7 from the SW to the NE. Copyright 2010 by the American Geophysical Union. |
Persistent Identifier | http://hdl.handle.net/10722/266902 |
ISSN | 2023 Impact Factor: 4.6 2023 SCImago Journal Rankings: 1.850 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Feng, Guangcai | - |
dc.contributor.author | Hetland, Eric A. | - |
dc.contributor.author | Ding, Xiaoli | - |
dc.contributor.author | Li, Zhiwei | - |
dc.contributor.author | Zhang, Lei | - |
dc.date.accessioned | 2019-01-31T07:19:56Z | - |
dc.date.available | 2019-01-31T07:19:56Z | - |
dc.date.issued | 2010 | - |
dc.identifier.citation | Geophysical Research Letters, 2010, v. 37, n. 1 | - |
dc.identifier.issn | 0094-8276 | - |
dc.identifier.uri | http://hdl.handle.net/10722/266902 | - |
dc.description.abstract | We infer co-seismic fault slip during the 2008 Mw 7.9 Wenchuan earthquake from interferometric synthetic aperture radar (InSAR) and GPS observations of ground deformation. We use ALOS/PALSAR data from ascending orbits on six tracks, and we do not use data that are strongly affected by ionospheric perturbations. We use a fault model composed of three planar fault segments of the Beichuan fault, and one planar segment representing the parallel Pengguan fault. Maximum thrust-slip is up to 6.7 m near the surface, and occurs in two locations, near Yingxiu in the south and Beichuan in the center of the rupture. Maximum strike-slip is over 4 m, and occurs near Pingtong and Nanba along the northern end of the rupture. We find that the ratio of coseismic thrust-to strike-slip on the Beichuan fault decreases from 1.5 to 0.7 from the SW to the NE. Copyright 2010 by the American Geophysical Union. | - |
dc.language | eng | - |
dc.relation.ispartof | Geophysical Research Letters | - |
dc.title | Coseismic fault slip of the 2008 Mw 7.9 Wenchuan earthquake estimated from InSAR and GPS measurements | - |
dc.type | Article | - |
dc.description.nature | link_to_OA_fulltext | - |
dc.identifier.doi | 10.1029/2009GL041213 | - |
dc.identifier.scopus | eid_2-s2.0-75749157714 | - |
dc.identifier.volume | 37 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | null | - |
dc.identifier.epage | null | - |
dc.identifier.isi | WOS:000273505500004 | - |
dc.identifier.issnl | 0094-8276 | - |