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The Great Sumatra-Andaman Earthquake of 26 December 2004

Lay, Thorne and Kanamori, Hiroo and Ammon, Charles J. and Nettles, Meredith and Ward, Steven N. and Aster, Richard C. and Beck, Susan L. and Bilek, Susan L. and Brudzinski, Michael R. and Butler, Rhett and DeShon, Heather R. and Ekström, Göran and Satake, Kenji and Sipkin, Stuart (2005) The Great Sumatra-Andaman Earthquake of 26 December 2004. Science, 308 (5725). pp. 1127-1133. ISSN 0036-8075.

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The two largest earthquakes of the past 40 years ruptured a 1600-kilometer-long portion of the fault boundary between the Indo-Australian and southeastern Eurasian plates on 26 December 2004 [seismic moment magnitude (M_w) = 9.1 to 9.3] and 28 March 2005 (M_w = 8.6). The first event generated a tsunami that caused more than 283,000 deaths. Fault slip of up to 15 meters occurred near Banda Aceh, Sumatra, but to the north, along the Nicobar and Andaman Islands, rapid slip was much smaller. Tsunami and geodetic observations indicate that additional slow slip occurred in the north over a time scale of 50 minutes or longer.

Item Type:Article
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URLURL TypeDescription DOIArticle
Lay, Thorne0000-0003-2360-4213
Kanamori, Hiroo0000-0001-8219-9428
Satake, Kenji0000-0002-3368-3085
Additional Information:© 2005 American Association for the Advancement of Science. Received 14 March 2005; accepted 25 April 2005. This work was supported in part by the U.S. National Science Foundation under grants EAR-0125595, EAR-0337495, and EAR-0207608. Seismic waveform data from the Global Seismographic Network (funded by NSF under Cooperative Agreement EAR-0004370 and USGS) were obtained from the Incorporated Research Institutions for Seismology (IRIS) Data Management System. Jason data were provided by Lee-Lueng Fu of the Jet Propulsion Laboratory in Pasadena, CA.
Group:Caltech Tectonics Observatory
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Caltech Tectonics Observatory16
Issue or Number:5725
Record Number:CaltechAUTHORS:20101118-091748150
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:20879
Deposited By: Tony Diaz
Deposited On:18 Nov 2010 18:43
Last Modified:09 Mar 2020 13:19

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