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2012-02-13 09:09:13 (Mb 5.2) TONGA REGION -18.1 -172.4 (1cbfb)

Subject: 2012-02-13 09:09:13 (Mb 5.2) TONGA REGION -18.1 -172.4 (1cbfb)
From: ens@xxxxxxxx (USGS ENS)
Date: Mon, 13 Feb 2012 09:29:44 +0000 (UTC)

5.2 Mb - TONGA REGION

Preliminary Earthquake Report
Magnitude	5.2 Mb
Date-Time	13 Feb 2012 09:09:13 UTC 12 Feb 2012 22:09:13 near epicenter 13 Feb 2012 01:09:13 standard time in your timezone
Location	18.139S 172.437W
Depth	26 km
Distances	173 km (107 miles) ENE (71 degrees) of Neiafu, Tonga 284 km (176 miles) WNW (290 degrees) of Niue Island 445 km (276 miles) NE (42 degrees) of NUKU'ALOFA, Tonga 2420 km (1504 miles) W (265 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty	Horizontal: 19.4 km; Vertical 7.4 km
Parameters	Nph = 208; Dmin = 473.1 km; Rmss = 0.52 seconds; Gp = 46° M-type = Mb; Version = 6
Event ID	US b0007zst

For updates, maps, and technical information, see:
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or
USGS Earthquake Hazards Program

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

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