Tectonic base map of the Sumatra subduction zone showing major faults
![Map shows land and ocean with 3-D features of relief and depth and labeled locations such as cities and earthquake epicenter.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/ionetec_major_faultlg.jpg?itok=YB5AjjqW)
Detailed Description
Tectonic base map of the Sumatra subduction zone showing major faults and relative motion between the India and Sunda plates. Star marker is the location of the main shock of the December 26, 2004 earthquake.