Earthquake Details
* This event has been reviewed by a seismologist.
Magnitude 6.0
Date-Time
* Monday, January 31, 2011 at 06:03:26 UTC
* Monday, January 31, 2011 at 07:03:26 PM at epicenter
Location 21.943°S, 175.510°W
Depth 68.6 km (42.6 miles)
Region TONGA
Distances
* 93 km (58 miles) SSW (198°) from NUKU'ALOFA, Tonga
* 399 km (248 miles) SSW (203°) from Neiafu, Tonga
* 2756 km (1712 miles) WSW (255°) from PAPEETE, Tahiti, French Polynesia
Location Uncertainty horizontal +/- 15.9 km (9.9 miles); depth +/- 0.8 km (0.5 miles)
Parameters NST=450, Nph=465, Dmin=844.9 km, Rmss=0.86 sec, Gp= 29°,
M-type=centroid moment magnitude (Mw), Version=B
Source
* U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver
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