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Magnitude 6.9 TONGA

Sunday, October 19, 2008 at 05:10:33 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