Seismic Hazard Map
Magnitude 4.0 SOUTH ISLAND OF NEW ZEALAND
Monday, September 19, 2011 at 01:51:30 UTC
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