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Deformation and slip along the Sunda megathrust in the Great 2005 Nias-Simeulue earthquake

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Deformation and slip along the Sunda megathrust in the Great 2005 Nias-Simeulue earthquake

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Title: Deformation and slip along the Sunda megathrust in the Great 2005 Nias-Simeulue earthquake
Author: Briggs, Richard W.; Sieh, Kerry; Meltzner, Aron J.; Natawidjaja, Danny H.; Galetzka, John; Suwargadi, Bambang W.; Hsu, Ya-Ju; Simons, Mark; Hananto, Nugroho; Suprihanto, Imam; Prayudi, Dudi; Avouac, Jean-Philippe; Prawirodirdjo, Linette; Bock, Yehuda
Copyright year: 2006
Abstract: Seismic rupture produced spectacular tectonic deformation above a 400-kilometer strip of the Sunda megathrust, offshore northern Sumatra, in March 2005. Measurements from coral microatolls and Global Positioning System stations reveal trench-parallel belts of uplift up to 3 meters high on the outer-arc islands above the rupture and a 1-meter-deep subsidence trough farther from the trench. Surface deformation reflects more than 11 meters of fault slip under the islands and a pronounced lessening of slip trenchward. A saddle in megathrust slip separates the northwestern edge of the 2005 rupture from the great 2004 Sumatra-Andaman rupture. The southeastern edge abuts a predominantly aseismic section of the megathrust near the equator.
Subject: DRNTU::Science::Geology::Volcanoes and earthquakes
Type: Journal Article
Series/ Journal Title: Science
Rights: © 2006 American Association for the Advancement of Science. This is the author created version of a work that has been peer reviewed and accepted for publication by Science, American Association for the Advancement of Science. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1126/science.1122602].
Version: Accepted version

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