2015-12-21 12:37:13 (M5.1) TONGA -18.3 -174.8 (70fa9)

M5.1 - TONGA

Preliminary Earthquake Report

Magnitude	5.1
Date-Time	21 Dec 2015 12:37:13 UTC 21 Dec 2015 00:37:13 near epicenter 21 Dec 2015 18:07:13 standard time in your timezone
Location	18.295S 174.825W
Depth	213 km
Distances	97 km (60 mi) WNW of Neiafu, Tonga 316 km (195 mi) N of Nuku`alofa, Tonga 592 km (367 mi) SSW of Apia, Samoa 619 km (383 mi) SW of Tafuna, American Samoa 625 km (387 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 12.4 km; Vertical 6.5 km
Parameters	Nph = 56; Dmin = 523.4 km; Rmss = 0.91 seconds; Gp = 87° Version =
Event ID	us 100048l4

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


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