2012-04-28 10:08:07 UPDATED: (Mw 6.4) TONGA -18.6 -174.7 (442af)

6.4 Mw - TONGA

Preliminary Earthquake Report

Magnitude	6.4 Mw
Date-Time	28 Apr 2012 10:08:07 UTC 28 Apr 2012 23:08:07 near epicenter 28 Apr 2012 00:08:07 standard time in your timezone
Location	18.643S 174.725W
Depth	129 km
Distances	78 km (49 miles) W (270 degrees) of Neiafu, Tonga 284 km (176 miles) N (11 degrees) of NUKU'ALOFA, Tonga 2660 km (1653 miles) W (263 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty	Horizontal: 15.0 km; Vertical 4.6 km
Parameters	Nph = 457; Dmin = 611.1 km; Rmss = 0.81 seconds; Gp = 21° M-type = Mw; Version = 9
Event ID	US c0009e33

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

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