Magnitude 4.6 TONGA REGION
Sunday, March 22, 2009 at 11:48:29 UTC
Earthquake Location
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
