Image
© USGS
Date-Time:
Wednesday, April 21, 2010 at 17:20:29 UTC

Thursday, April 22, 2010 at 06:20:29 AM at epicenter

Time of Earthquake in other Time Zones

Location:
15.109°S, 173.256°W

Depth:
35 km (21.7 miles) set by location program

Region:
TONGA

Distances:
105 km (65 miles) NNE of Hihifo, Tonga

215 km (135 miles) SW of APIA, Samoa

700 km (435 miles) NNE of NUKU'ALOFA, Tonga

2685 km (1670 miles) NNE of Auckland, New Zealand

Location Uncertainty:
horizontal +/- 17.3 km (10.7 miles); depth fixed by location program

Parameters:
NST=117, Nph=117, Dmin=>999 km, Rmss=1.08 sec, Gp=176°,
M-type=teleseismic moment magnitude (Mw), Version=7

Source:
USGS NEIC (WDCS-D)

Event ID:
us2010vibb

This event has been reviewed by a seismologist.