Earthquake Density Maps
Magnitude 5.6 TONGA
Friday, November 11, 2011 at 15:02:19 UTC
-
Average number of Earthquakes per Year per 12,300 km2, Magnitude 5 and Greater
Shallow Earthquakes: Depth 0-70 km
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
-
Average number of Earthquakes per Year per 12,300 km2, Magnitude 5 and Greater
All Depths
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green
Global Earthquake Density Maps
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
