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News Release 05-079
Analysis of the Sumatra-Andaman Earthquake Reveals Longest Fault Rupture Ever
Global seismic recording network made first-time measurements possible
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The shock heard 'round the world.' The December 2004 tsunami-producing earthquake sent reverberations around the world.
Credit: California Institute of Technology
The Global Seismic Network provides earth scientists with information on seismic activity around the world.
Credit: IRIS
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Regional map showing earthquakes with magnitudes greater than 5.0 from 1965 to Dec. 25, 2004. Locations of previous large earthquake ruptures along the Sunda-Andaman trench system are shown in pink. Green stars show the epicenters of the two recent great events; the green diamond shows the central location for the Dec. 26, 2004, event. The thick red arrows indicate relative tectonic plate motions between the Indo-Australian and Eurasian plates.
Credit: National Earthquake Information Center
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Looking towards the ocean from the bridge (Sumatra)
Credit: Jose C. Borrero, University of Southern California Tsunami Research Group
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Uplifting of ground by the earthquake on the western tip of Simeuleu Island thrust coral from underwater.
Credit: Kerry Sieh, Tectonics Observatory, Caltech
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