2021-09-21 04:42:49 UPDATED: (M4.6) Tonga -15.9 -175.3 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - Tonga

Preliminary Report

Magnitude	4.6
Date-Time	21 Sep 2021 04:42:49 UTC 21 Sep 2021 17:42:49 near epicenter 20 Sep 2021 20:42:49 standard time in your timezone
Location	15.883S 175.311W
Depth	320 km
Distances	162.4 km (100.7 mi) W of Hihifo, Tonga 443.8 km (275.1 mi) WSW of Apia, Samoa 522.4 km (323.9 mi) WSW of T?funa, American Samoa 526.3 km (326.3 mi) WSW of Pago Pago, American Samoa 572.7 km (355.1 mi) E of Labasa, Fiji
Location Uncertainty	Horizontal: 10.2 km; Vertical 6.1 km
Parameters	Nph = 62; Dmin = 348.4 km; Rmss = 0.69 seconds; Gp = 68° Version =
Event ID	us 7000fd2d ***This event has been revised.

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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