2012-01-25 15:56:49 (Mb 4.9) TONGA -18.5 -175.5 (1cbfb)

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Globe with Earthquake Location

4.9 Mb - TONGA

Preliminary Earthquake Report
Magnitude 4.9 Mb
Date-Time
  • 25 Jan 2012 15:56:49 UTC
  • 26 Jan 2012 05:56:49 near epicenter
  • 25 Jan 2012 07:56:49 standard time in your timezone
Location 18.472S 175.524W
Depth 140 km
Distances
  • 164 km (102 miles) W (277 degrees) of Neiafu, Tonga
  • 299 km (186 miles) N (354 degrees) of NUKU'ALOFA, Tonga
  • 2745 km (1706 miles) W (264 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty Horizontal: 14.9 km; Vertical 7.8 km
Parameters Nph = 24; Dmin = 644.7 km; Rmss = 1.12 seconds; Gp = 75°
M-type = Mb; Version = 4
Event ID US 2012wea7

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/

Disclaimer

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