Earthquake Location
Magnitude 4.9 TONGA REGION
Wednesday, January 04, 2012 at 18:04:30 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 PACIFIC OCEAN
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
