2012-02-04 07:40:13 (Mw 5.8) TONGA -20.5 -174.0 (1cbfb)

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Globe with Earthquake Location

5.8 Mw - TONGA

Preliminary Earthquake Report
Magnitude 5.8 Mw
Date-Time
  • 4 Feb 2012 07:40:13 UTC
  • 4 Feb 2012 20:40:13 near epicenter
  • 3 Feb 2012 23:40:13 standard time in your timezone
Location 20.516S 174.022W
Depth 10 km
Distances
  • 144 km (90 miles) ENE (61 degrees) of NUKU'ALOFA, Tonga
  • 207 km (129 miles) S (181 degrees) of Neiafu, Tonga
  • 460 km (286 miles) WSW (248 degrees) of Niue Island
  • 2590 km (1609 miles) W (259 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty Horizontal: 16.7 km; Vertical 4.0 km
Parameters Nph = 300; Dmin = 769.2 km; Rmss = 0.73 seconds; Gp = 46°
M-type = Mw; Version = 8
Event ID US b0007vnt

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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