2015-01-18 20:40:36 (M5.1) TONGA -18.0 -174.6 (70fa9)

M5.1 - TONGA

Preliminary Earthquake Report

Magnitude	5.1
Date-Time	18 Jan 2015 20:40:36 UTC 18 Jan 2015 08:40:37 near epicenter 19 Jan 2015 02:10:36 standard time in your timezone
Location	18.026S 174.600W
Depth	320 km
Distances	94 km (58 mi) NW of Neiafu, Tonga 349 km (216 mi) N of Nuku`alofa, Tonga 554 km (343 mi) SSW of Apia, Samoa 582 km (360 mi) SW of Tafuna, American Samoa 587 km (363 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 17.1 km; Vertical 9.3 km
Parameters	Nph = 35; Dmin = 1959.2 km; Rmss = 0.83 seconds; Gp = 93° Version =
Event ID	us c000th09

For updates, maps, and technical information, see: Event Page or USGS Earthquake Hazards Program


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