Earthquake Location
Magnitude 4.7 OFF W COAST OF NORTHERN SUMATRA
Thursday, May 12, 2011 at 08:04:31 UTC
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Map of INDIAN OCEAN
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
