Other
Scientific paper
Mar 2005
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005eostr..86...89k&link_type=abstract
EOS Transactions, AGU, Volume 86, Issue 9, p. 89-94
Other
5
Seismology: Seismicity And Tectonics (1207, 1217, 1240, 1242), Seismology: Subduction Zones (1207, 1219, 1240), Geodesy And Gravity: Tectonic Deformation (6924)
Scientific paper
The Sumatra, Indonesia, earthquake on 26 December 2004 was one of the most devastating earthquakes in history. With a magnitude of Mw = 9.3 (revised based on normal-mode amplitudes by Stein and Okal, http://www.earth.northwestern.edu/people/seth/research/sumatra.html), it is the second largest earthquake recorded since 1900. It occurred about 100 km off the west coast of northern Sumatra, where the relatively dense Indo-Australian plate moves beneath the lighter Burma plate, resulting in stress accumulation. The average relative velocity of the two plates is about 6 cm/yr. On 26 December 2004, however, the two plates moved by a distance of several meters, releasing the stress accumulated over hundreds of years. The result was a devastating tsunami that hit coastlines across the Indian Ocean, killing about 300,000 people in Indonesia, Sri Lanka, India, Thailand, Burma, Malaysia, Somalia, and other countries (Guardian, 29 January 2005, http://www.guardian.co.uk/tsunami/story/0,15671,1380895,00.html).
Gudmundsson Olafur
Khan Saad Ahmad
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