Tonga Quake_310111
© USGSEarthquake Location
Date-Time
Monday, January 31, 2011 at 06:03:26 UTC

Monday, January 31, 2011 at 07:03:26 PM at epicenter

Time of Earthquake in other Time Zones

Location
21.943°S, 175.510°W

Depth
68.6 km (42.6 miles)

Region
TONGA

Distances
95 km (60 miles) SSW of NUKU'ALOFA, Tonga

360 km (225 miles) ESE of Ndoi Island, Fiji

400 km (245 miles) SSW of Neiafu, Tonga

1905 km (1180 miles) NNE of Auckland, New Zealand

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
USGS NEIC (WDCS-D)

Event ID
usb00016zk