2019-12-21 04:17:58 (M4.9) Tonga -17.7 -174.7 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - Tonga

Preliminary Report

Magnitude	4.9
Date-Time	21 Dec 2019 04:17:59 UTC 20 Dec 2019 16:17:59 near epicenter 20 Dec 2019 20:17:59 standard time in your timezone
Location	17.654S 174.695W
Depth	156 km
Distances	133.5 km (82.8 mi) NW of Neiafu, Tonga 389.5 km (241.5 mi) N of Nuku�alofa, Tonga 526.4 km (326.4 mi) SW of Apia, Samoa 561.9 km (348.4 mi) SW of T?funa, American Samoa 567.5 km (351.9 mi) SW of Pago Pago, American Samoa
Location Uncertainty	Horizontal: 10.1 km; Vertical 7.0 km
Parameters	Nph = 74; Dmin = 518.5 km; Rmss = 0.76 seconds; Gp = 52° Version =
Event ID	us 70006pc0

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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