2018-09-22 18:35:35 (M5.1) Tonga -21.3 -173.9 (70fa9)

M5.1 Earthquake - Tonga

Preliminary Report

Magnitude	5.1
Date-Time	22 Sep 2018 18:35:36 UTC 23 Sep 2018 07:35:36 near epicenter 23 Sep 2018 00:05:36 standard time in your timezone
Location	21.299S 173.924W
Depth	4 km
Distances	106.5 km (66.0 mi) E of �Ohonua, Tonga 133.8 km (83.0 mi) E of Nuku�alofa, Tonga 842.1 km (522.1 mi) SSW of T?funa, American Samoa 848.8 km (526.2 mi) SSW of Pago Pago, American Samoa 857.4 km (531.6 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 7.3 km; Vertical 3.2 km
Parameters	Nph = 114; Dmin = 484.5 km; Rmss = 1.76 seconds; Gp = 80° Version =
Event ID	us 2000hirf

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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