Tonga Earthquake - 19th Oct. 08

7.1 Mw - TONGA

Magnitude:	7.1 Mw
Date-Time:	19 Oct 2008 05:10:36 UTC
Location:	21.751S 173.914W
Depth:	42 km
Distances:	152 km (94 miles) ESE (116 degrees) of NUKU'ALOFA, Tonga 345 km (214 miles) S (179 degrees) of Neiafu, Tonga 2590 km (1609 miles) WSW (256 degrees) of PAPEETE, Tahiti, French Polynesia

Location Uncertainty:
Horizontal: 6.0 km; Vertical 14.9 km

Parameters:
Nph = 228; Dmin = 923.7 km; Rmss = 0.84 seconds; Gp = 28° M-type = Mw; Version = 7

Source: U.S.G.S

Magnitude:	6.3 Mw
Date-Time:	22 Oct 2008 12:55:57 UTC 23 Oct 2008 01:55:57 near epicenter
Location:	18.384S 175.403W
Depth:	227 km
Distances:	153 km (95 miles) W (281 degrees) of Neiafu, Tonga 308 km (192 miles) N (357 degrees) of NUKU'ALOFA, Tonga 2732 km (1698 miles) W (264 degrees) of PAPEETE, Tahiti, French Polynesia

Location Uncertainty:
Horizontal: 6.6 km; Vertical 15.3 km

Parameters:
Nph = 149; Dmin = 999.9 km; Rmss = 0.81 seconds; Gp = 72° M-type = Mw; Version = 7

Source: U.S.G.S

Magnitude:	6.3 Mw
Date-Time:	24 Dec 2008 09:11:42 UTC
Location:	17.312S 172.008W
Depth:	74 km
Distances:	256 km (159 miles) NE (55 degrees) of Neiafu, Tonga 292 km (182 miles) NW (311 degrees) of Niue Island 366 km (228 miles) SSW (202 degrees) of PAGO PAGO, American Samoa 380 km (1479 miles) W (267 degrees) of PAPEETE, Tahiti, French Polynesia

Location Uncertainty:
Horizontal: 9.1 km; Vertical 17.7 km

Parameters:
Nph = 113; Dmin = 999.9 km; Rmss = 0.85 seconds; Gp = 108� M-type = Mw; Version = 7

Source: US 2008azai