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Seafloor displacement at Kumano-nada caused by the 2004 off Kii Peninsula earthquakes, detected through repeated GPS/Acoustic surveys
- Source :
- Earth, Planets and Space. 58(7):911-915
- Publisher :
- Springer Nature
-
Abstract
- In 2004, we started monitoring crustal deformation at Kumano-nada in the Nankai trough using the GPS/Acoustic technique. We observed a large southward seafloor displacement of ∼30 cm associated with the off Kii Peninsula earthquake, which occurred in September 2004, between our two survey campaigns in August and November 2004. The observed seafloor displacement is larger than that predicted from a slip model derived solely from GPS measurements on land. This may indicate the earthquake fault is slightly shallower and extends move to the NW than previously estimated.
Details
- Language :
- English
- ISSN :
- 18805981
- Volume :
- 58
- Issue :
- 7
- Database :
- OpenAIRE
- Journal :
- Earth, Planets and Space
- Accession number :
- edsair.doi.dedup.....3e2f1825ddffb26334c01221607de951
- Full Text :
- https://doi.org/10.1186/bf03351996