Historic Seismicity
Magnitude 4.9 NIAS REGION, INDONESIA
Monday, November 21, 2011 at 23:32:12 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
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver