Planning & Mitigation | VOL. 15, ISSUE 94 January-February 2016

Pre-earthquake Process and the 2004 Tsunami

The disastrous earthquake-triggered tsunami that occurred 11 years ago on the morning after Christmas was huge by any contemporary standards. The epicenter of magnitude 9.3 quake was located in the Indian Ocean near the west coast of Sumatra and it ruptured the 1000 km long Andaman plate boundary, moving the seafloor 20-10 m vertically upwards, thus displacing trillions of tons of under-sea rock. The killer waves radiating from the epicenter slammed into the coastlines of 11 countries from east Africa...

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