Earthquake risk on the Sunda trench

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Earthquake risk on the Sunda trench

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dc.contributor.author Nalbant, Suleyman S.
dc.contributor.author Steacy, Sandy
dc.contributor.author Sieh, Kerry
dc.contributor.author Natawidjaja, Danny H.
dc.contributor.author McCloskey, John
dc.date.accessioned 2012-09-28T05:57:09Z
dc.date.available 2012-09-28T05:57:09Z
dc.date.copyright 2005
dc.date.issued 2012-09-28
dc.identifier.citation Nalbant, S. S., Steacy, S., Sieh, K., Natawidjaja, D., & McCloskey, J. (2005). Earthquake risk on the Sunda trench. Nature, 435, 756-757.
dc.identifier.uri http://hdl.handle.net/10220/8668
dc.description.abstract 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.
dc.relation.ispartofseries Nature
dc.rights © 2005 Nature Publishing Group.
dc.subject DRNTU::Science::Geology::Volcanoes and earthquakes.
dc.title Earthquake risk on the Sunda trench
dc.type Journal Article
dc.identifier.doi http://dx.doi.org/10.1038/nature435756a

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