Seismic Hazard Map

Magnitude 5.7 TONGA
Thursday, February 21, 2013 at 00:26:59 UTC

Seismic Hazard Map World Location
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