Land-Level Changes Produced by the Mw 8.8 2010 Chilean Earthquake
We observed vertically displaced coastal and river markers after the 27 February 2010 Chilean earthquake [moment magnitude (Mw) 8.8]. Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupt...
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| Veröffentlicht in: | Science (American Association for the Advancement of Science) 2010-08, Vol.329 (5994), p.916-916 |
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| creator | Farías, Marcelo Vargas, Gabriel Tassara, Andrés Carretier, Sébastien Baize, Stéphane Melnick, Daniel Bataille, Klaus |
| description | We observed vertically displaced coastal and river markers after the 27 February 2010 Chilean earthquake [moment magnitude (Mw) 8.8]. Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupture. A hinge line located 120 kilometers from the trench separates uplifted areas, to the west, from subsided regions. A simple elastic dislocation model fits these observations well; model parameters give a similar seismic moment to seismological estimates and suggest that most of the plate convergence since the 1835 great earthquake was elastically stored and then released during this event. |
| doi_str_mv | 10.1126/science.1192094 |
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Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupture. A hinge line located 120 kilometers from the trench separates uplifted areas, to the west, from subsided regions. 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Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupture. A hinge line located 120 kilometers from the trench separates uplifted areas, to the west, from subsided regions. 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Land-level changes range between 2.5 and -1 meters, evident along an approximately 500-kilometers-long segment identified here as the maximum length of coseismic rupture. A hinge line located 120 kilometers from the trench separates uplifted areas, to the west, from subsided regions. A simple elastic dislocation model fits these observations well; model parameters give a similar seismic moment to seismological estimates and suggest that most of the plate convergence since the 1835 great earthquake was elastically stored and then released during this event.</abstract><cop>United States</cop><pub>American Association for the Advancement of Science</pub><pmid>20671154</pmid><doi>10.1126/science.1192094</doi><tpages>1</tpages></addata></record> |
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| source | American Association for the Advancement of Science; Jstor Complete Legacy |
| subjects | Convergence Dislocation models Displacement Earthquakes Estimates Markers Measuring instruments Plate tectonics Sciences of the Universe Segments Seismic engineering Seismic phenomena Seismology |
| title | Land-Level Changes Produced by the Mw 8.8 2010 Chilean Earthquake |
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