Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/95549
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dc.contributor.authorWiseman, Kellyen
dc.contributor.authorBanerjee, Parameshen
dc.contributor.authorSieh, Kerryen
dc.contributor.authorBürgmann, Rolanden
dc.contributor.authorNatawidjaja, Danny H.en
dc.date.accessioned2012-08-28T06:15:23Zen
dc.date.accessioned2019-12-06T19:17:03Z-
dc.date.available2012-08-28T06:15:23Zen
dc.date.available2019-12-06T19:17:03Z-
dc.date.copyright2011en
dc.date.issued2011en
dc.identifier.citationWiseman, K., Banerjee, P., Sieh, K., Bürgmann, R., & Natawidjaja, D. H. (2011). Another potential source of destructive earthquakes and tsunami offshore of Sumatra. Geophysical Research Letters, 38.en
dc.identifier.urihttps://hdl.handle.net/10356/95549-
dc.description.abstractWe link geodetic data from the Sumatran GPS Array (SuGAr) and earthquake focal mechanisms to show that a 900-km long backthrust, arising from the Sunda megathrust offshore of Sumatra, has recently become active following the series of great megathrust earthquakes of this past decade. Shallow failure of the Mentawai backthrust explains coseismic displacements during moderate-earthquake clusters in 2005 and 2009. These two clusters represent the first activity on the backthrust in more than 30 years. Existing paleogeodetic evidence of vertical deformation in past centuries is too sparse to characterize earlier major activity, but leaves open the possibility of historic great backthrust earthquakes. Our geodetic evidence for rupture of the Mentawai backthrust during the two recent earthquake clusters suggests that this large fault may well pose an additional seismic and tsunami hazard to the coastal communities of central Sumatra.en
dc.format.extent5 p.en
dc.language.isoenen
dc.relation.ispartofseriesGeophysical research lettersen
dc.rights© 2011 AGU. This paper was published in Geophysical Research Letters and is made available as an electronic reprint (preprint) with permission of American Geophysical Union. The paper can be found at DOI: [http://dx.doi.org/10.1029/2011GL047226]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.en
dc.subjectDRNTU::Science::Geology::Volcanoes and earthquakesen
dc.titleAnother potential source of destructive earthquakes and tsunami offshore of Sumatraen
dc.typeJournal Articleen
dc.identifier.doi10.1029/2011GL047226en
dc.description.versionPublished versionen
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