Magnitude 4.7 - TONGA

2009 April 22 15:18:21 UTC

Magnitude	4.7
Date-Time	Wednesday, April 22, 2009 at 15:18:21 UTC Thursday, April 23, 2009 at 04:18:21 AM at epicenter Time of Earthquake in other Time Zones
Location	17.279°S, 174.452°W
Depth	216.3 km (134.4 miles)
Region	TONGA
Distances	160 km (100 miles) NNW of Neiafu, Tonga 165 km (100 miles) SSW of Hihifo, Tonga 435 km (270 miles) N of NUKU'ALOFA, Tonga 2415 km (1500 miles) NNE of Auckland, New Zealand
Location Uncertainty	horizontal +/- 9.4 km (5.8 miles); depth +/- 12.2 km (7.6 miles)
Parameters	NST=100, Nph=100, Dmin=798.1 km, Rmss=0.79 sec, Gp= 90°, M-type=body wave magnitude (Mb), Version=Q
Source	USGS NEIC (WDCS-D)
Event ID	us2009fta5

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