2012-07-23 06:40:40 (Mb 4.6) TONGA -16.0 -173.5 (1cbfb)

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Globe with Earthquake Location

4.6 Mb - TONGA

Preliminary Earthquake Report
Magnitude 4.6 Mb
Date-Time
  • 23 Jul 2012 06:40:40 UTC
  • 23 Jul 2012 19:40:40 near epicenter
  • 22 Jul 2012 22:40:40 standard time in your timezone
Location 15.969S 173.523W
Depth 36 km
Distances
  • 302 km (188 miles) N (9 degrees) of Neiafu, Tonga
  • 307 km (191 miles) SW (218 degrees) of APIA, Samoa
  • 357 km (222 miles) WSW (238 degrees) of PAGO PAGO, American Samoa
  • 2555 km (1588 miles) W (270 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty Horizontal: 23.4 km; Vertical 7.2 km
Parameters Nph = 132; Dmin = 295.0 km; Rmss = 0.94 seconds; Gp = 64°
M-type = Mb; Version = 9
Event ID US b000bdgk

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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