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The relationship of the seismic source and subduction zone structure for the 2004 December 26 Sumatra-Andaman earthquake

Kennett, Brian; Cummins, Phil


Studies of the 2004 December 26 Sumatra-Andaman earthquake indicate that the rupture and subsequent down-dip slip of the Mw 9.3 event propagated with variable speed as it progressed northwards. The transitions between different behaviour for the source correspond to changes in the physical properties of the subducted slab along the Sumatra-Andaman arc revealed by multi-wavespeed seismic tomography. The transition from rapid slip to dominantly slower slip near 6.5° N and the end of the main zone...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: Earth and Planetary Science Letters
DOI: 10.1016/j.epsl.2005.08.015


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