2004 Sumatra Earthquake 2004 Indian Ocean earthquake and tsunami Wikipedia Tectonic map showing the epicenter of the Sumatra Earthquake and Researchers drill deep to unearth cause of 2004 Sumatra megaquake Earthquakes and Tsunamis in Sumatra Indian Ocean Tsunami Remembered — Scientists reflect on the 2004 Earthquakes and Tsunamis in Sumatra Tsunami Generation from the 2004 M=9.1 Sumatra Andaman Earthquake Indonesia Earthquakes Map, Areas Affected by Earthquakes in Indonesia