Friday, October 21, 2011

2011-10-21 17:57:17 UPDATED: (Mw 7.6) KERMADEC ISLANDS REGION -28.9 -176.0 (442af)

Globe with Earthquake Location

7.6 Mw - KERMADEC ISLANDS REGION

Preliminary Earthquake Report
Magnitude 7.6 Mw
Date-Time
  • 21 Oct 2011 17:57:17 UTC
  • 22 Oct 2011 05:57:17 near epicenter
  • 21 Oct 2011 07:57:17 standard time in your timezone
Location 28.941S 176.045W
Depth 39 km
Distances
  • 180 km (112 miles) E (79 degrees) of Raoul Island, Kermadec Islands
  • 870 km (541 miles) S (185 degrees) of NUKU'ALOFA, Tonga
  • 2978 km (1851 miles) WSW (240 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty Horizontal: 15.7 km; Vertical 10.8 km
Parameters Nph = 94; Dmin = 187.0 km; Rmss = 2.44 seconds; Gp = 50°
M-type = Mw; Version = 5
Event ID US b0006b6p

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

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