Seismic Hazard Map

Magnitude 6.8 TONGA

Tuesday, November 24, 2009 at 12:47:16 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