Pacific Coastal & Marine Science Center
Tsunamis & Earthquakes
Tsunami Generation from the 2004 M=9.1 Sumatra-Andaman Earthquake
Animation: Tsunami wavefield for the 2004 Sumatra-Andaman earthquake 1 hour after generation, view to the northwest
This animation shows a model of the tsunami generated by the December 26, 2004 earthquake. The first 3 hours of tsunami propagation are shown. The tsunami is generated between the island of Sumatra and the Sunda Trench. It then propagates outward into the Bay of Bengal toward Sri Lanka and India and to the east toward Sumatra and Thailand. Largest offshore tsunami amplitudes are in the Banda Aceh region of northern Sumatra.
download 2.3 MB QuickTime .mov file:
Note: These QuickTime* movies are very large and may take a few minutes to download. Movies are a non-standard part of the internet and may not load for all viewers. If you do not have QuickTime please download the QuickTime Player here.
*Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Please note that some U.S. Geological Survey (USGS) information accessed through this page may be preliminary in nature and presented prior to final review and approval by the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the sole responsibility of the user.