7.9 Mw - TONGA REGION

Preliminary Earthquake Report
Magnitude
7.9 Mw
Date-Time
19 Mar 2009 18:17:37 UTC
20 Mar 2009 06:17:37 near epicenter
19 Mar 2009 12:17:37 standard time in your timezone
Location
23.015S 174.781W
Depth
10 km
Distances
213 km (132 miles) SSE (167 degrees) of NUKU'ALOFA, Tonga
492 km (306 miles) S (190 degrees) of Neiafu, Tonga
2696 km (1675 miles) WSW (253 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty
Horizontal: 9.4 km; Vertical
Parameters
Nph = 82; Dmin = 759.2 km; Rmss = 1.18 seconds; Gp = 57°M-type = Mw; Version = 7
Event ID
US 2009ejbr ***This event supersedes event AT00748666.
For updates, maps, and technical information, see: Event Page or U.S.G.S. Earthquake Hazards Program
National Earthquake Information CenterU.S. Geological Survey

http://neic.usgs.gov/

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