Magnitude 5.3 TONGA
Saturday, July 28, 2007 at 08:53:14 UTC
Seismic Hazard Map
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Global Seismic Hazard Assessment Program -GSHAP
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver