Tonga Quake_120211
© USGS
Earthquake Location
Date-Time:
Saturday, February 12, 2011 at 17:57:56 UTC

Sunday, February 13, 2011 at 06:57:56 AM at epicenter

Time of Earthquake in other Time Zones

Location:
20.785°S, 175.589°W

Depth
81 km (50.3 miles)

Region
TONGA

Distances
55 km (35 miles) NW of NUKU'ALOFA, Tonga

290 km (180 miles) SW of Neiafu, Tonga

325 km (200 miles) E of Ndoi Island, Fiji

2010 km (1250 miles) NNE of Auckland, New Zealand

Location Uncertainty:
horizontal +/- 15.7 km (9.8 miles); depth +/- 1.1 km (0.7 miles)

Parameters:
NST=457, Nph=476, Dmin=862.7 km, Rmss=0.93 sec, Gp= 32°,
M-type=teleseismic moment magnitude (Mw), Version=8

Source:
USGS NEIC (WDCS-D)

Event ID:
usb0001d15