Saturday, February 4, 2012

Magnitude 5.8 Earthquake of TONGA 2012 February 04

2012 February 04 07:40:13 UTC: TONGA

Magnitude: 5.8

Date-Time : Saturday, February 04, 2012 at 07:40:13 UTC
Saturday, February 04, 2012 at 08:40:13 PM at epicenter

Location :
20.529°S, 174.025°W
Depth :
10 km (6.2 miles)

Region :
TONGA

Distances:

a)
140 km (86 miles) ENE of NUKU`ALOFA, Tonga

b) 207 km (128 miles) S of Neiafu, Tonga


c) 465 km (288 miles) WSW of Niue Island


d) 2114 km (1313 miles) NE of Auckland, New Zealand

Location Uncertainty: horizontal +/- 16.7 km (10.4 miles); depth +/- 1.4 km (0.9 miles)

Parameters : NST=378, Nph=394, Dmin=770.3 km, Rmss=0.74 sec, Gp= 29°, M-type=teleseismic moment magnitude (Mw), Version=9

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