Revised (6.8 -> 6.2): 6.2 earthquake, Tonga. Sep 23 12:07pm at epicenter (20m ago, 382km NNW of Neiafu, depth 8.6km).

Magnitude 6.2 - TONGA

2011 September 22 23:07:03 UTC

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Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	6.2
Date-Time	Thursday, September 22, 2011 at 23:07:03 UTC Friday, September 23, 2011 at 12:07:03 PM at epicenter
Location	15.449°S, 175.293°W
Depth	8.6 km (5.3 miles)
Region	TONGA
Distances	382 km (238 miles) NNW (338°) from Neiafu, Tonga 423 km (263 miles) WSW (244°) from APIA, Samoa 2751 km (1709 miles) W (271°) from PAPEETE, Tahiti, French Polynesia
Location Uncertainty	horizontal +/- 16.5 km (10.3 miles); depth +/- 5.5 km (3.4 miles)
Parameters	NST=306, Nph=306, Dmin=972.9 km, Rmss=1.04 sec, Gp= 29°, M-type=regional moment magnitude (Mw), Version=C
Source	Magnitude: USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D)