2023-09-22 22:13:50 (M5.1) Tonga -18.9 -174.2 (70fa9)

M5.1 Earthquake - Tonga

Preliminary Report

Magnitude	5.1
Date-Time	Universal Time (UTC): 22 Sep 2023 22:13:51 Time near the Epicenter (1): 23 Sep 2023 11:13:51 Time in your area (1): 23 Sep 2023 03:43:51
Location	18.905S 174.177W
Depth	132 km
Distances	34.7 km (21.5 mi) SW of Neiafu, Tonga 269.3 km (167.0 mi) NNE of Nuku'alofa, Tonga 617.4 km (382.8 mi) SSW of Apia, Samoa 632.1 km (391.9 mi) SW of Pago Pago, American Samoa 737.8 km (457.4 mi) ESE of Labasa, Fiji
Location Uncertainty	Horizontal: 9.6 km; Vertical 4.7 km
Parameters	Nph = 31; Dmin = 33.9 km; Rmss = 0.86 seconds; Gp = 85° Version =
Event ID	us 7000kxjb

(1) Nominal Standard Time; local and daylight savings time zone may differ.
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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