Seismology: Energy radiation from the Sumatra earthquake

Ni, Sidao and Kanamori, Hiroo and Helmberger, Don (2005) Seismology: Energy radiation from the Sumatra earthquake. Nature, 434 (7033). p. 582. ISSN 0028-0836 http://resolver.caltech.edu/CaltechAUTHORS:20101118-094824674

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Abstract

We determined the duration of high-frequency energy radiation from Indonesia's great Sumatra–Andaman earthquake (26 December 2004) to be about 500 seconds. This duration can be translated into a rupture length of about 1,200 km, which is more than twice as long as that inferred from body-wave analyses performed soon after the event. Our analysis was able rapidly to define the extent of rupture, thereby aiding the assessment of seismic hazard in the immediate future.

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Caltech Tectonics Observatory

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20881

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CaltechAUTHORS

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Tony Diaz

Deposited On:

18 Nov 2010 18:32

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26 Dec 2012 12:39

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