2018-08-20 00:43:07 (M5.7) Samoa Islands region -16.9 -172.6 (70fa9)

M5.7 Earthquake - Samoa Islands region

Preliminary Report

Magnitude	5.7
Date-Time	20 Aug 2018 00:43:08 UTC 20 Aug 2018 13:43:08 near epicenter 20 Aug 2018 06:13:08 standard time in your timezone
Location	16.903S 172.559W
Depth	92 km
Distances	168.8 km (104.6 mi) SE of Hihifo, Tonga 345.8 km (214.4 mi) SW of T?funa, American Samoa 350.1 km (217.1 mi) SSW of Apia, Samoa 352.1 km (218.3 mi) SW of Pago Pago, American Samoa 545.3 km (338.1 mi) NNE of Nuku�alofa, Tonga
Location Uncertainty	Horizontal: 12.3 km; Vertical 10.0 km
Parameters	Nph = 32; Dmin = 341.4 km; Rmss = 1.29 seconds; Gp = 106° Version =
Event ID	us 1000gdmg

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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