Magnitude 5.4 Earthquake of TONGA 2012 January 12

2012 January 12 22:31:00 UTC: TONGA

Magnitude: 5.4

Date-Time : Thursday, January 12, 2012 at 22:31:00 UTC
Friday, January 13, 2012 at 12:31:00 PM at epicenter

Location : 16.528°S, 173.391°W

Depth : 79.5 km (49.4 miles)

Region : TONGA

Distances:

a) 74 km (45 miles) SSE of Hihifo, Tonga

b) 242 km (150 miles) NNE of Neiafu, Tonga

c) 347 km (215 miles) SSW of APIA, Samoa

d) 2538 km (1577 miles) NNE of Auckland, New Zealand

Location Uncertainty: horizontal +/- 16.1 km (10.0 miles); depth +/- 13.1 km (8.1 miles)

Parameters : NST= 84, Nph= 84, Dmin=337.3 km, Rmss=1.27 sec, Gp= 65°, M-type=body wave magnitude (Mb), Version=7