2011-09-05 09:52:01 (Mw 6.4) TONGA -15.3 -173.5 (442af)

6.4 Mw - TONGA

Preliminary Earthquake Report

Magnitude	6.4 Mw
Date-Time	5 Sep 2011 09:52:01 UTC 5 Sep 2011 22:52:01 near epicenter 4 Sep 2011 23:52:01 standard time in your timezone
Location	15.318S 173.536W
Depth	35 km
Distances	256 km (159 miles) SW (228 degrees) of APIA, Samoa 327 km (203 miles) WSW (249 degrees) of PAGO PAGO, American Samoa 374 km (232 miles) N (7 degrees) of Neiafu, Tonga 2567 km (1595 miles) W (272 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty	Horizontal: 17.0 km; Vertical 10.2 km
Parameters	Nph = 153; Dmin = 244.9 km; Rmss = 0.73 seconds; Gp = 68° M-type = Mw; Version = 7
Event ID	US c0005pa8

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

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