| Seismology: earthquake risk on the Sunda trench. | |
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MedLine Citation:
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PMID: 15944691 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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On 28 March 2005 the Sunda megathrust in Indonesia ruptured again, producing another great earthquake three months after the previous one. The rupture was contiguous with that of the December 2004 Sumatra-Andaman earthquake, and is likely to have been sparked by local stress, although the triggering stresses at its hypocentre were very small - of the order of just 0.1 bar. Calculations show that stresses imposed by the second rupture have brought closer to failure the megathrust immediately to the south, under the Batu and Mentawai islands, and have expanded the area of increased stress on the Sumatra fault. Palaeoseismologic studies show that the Mentawai segment of the Sunda megathrust is well advanced in its seismic cycle and is therefore a good candidate for triggered failure. |
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Authors:
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Suleyman S Nalbant; Sandy Steacy; Kerry Sieh; Danny Natawidjaja; John McCloskey |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Nature Volume: 435 ISSN: 1476-4687 ISO Abbreviation: Nature Publication Date: 2005 Jun |
Date Detail:
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Created Date: 2005-06-09 Completed Date: 2005-06-21 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0410462 Medline TA: Nature Country: England |
Other Details:
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Languages: eng Pagination: 756-7 Citation Subset: - |
Affiliation:
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School of Environmental Sciences, University of Ulster, Coleraine, County Derry BT52 1SA, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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