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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.

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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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Additional Information:© 2005 Nature Publishing Group. Published online 30 March 2005.
Group:Caltech Tectonics Observatory
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Caltech Tectonics Observatory20
Record Number:CaltechAUTHORS:20101118-094824674
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:20881
Deposited By: Tony Diaz
Deposited On:18 Nov 2010 18:32
Last Modified:18 Mar 2015 21:23

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