2023-12-20 11:59:21 (M4.8) South Sandwich Islands region -59.0 -25.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.8 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	4.8
Date-Time	Universal Time (UTC): 20 Dec 2023 11:59:21 Time near the Epicenter (1): 20 Dec 2023 09:59:21 Time in your area (1): 20 Dec 2023 03:59:21
Location	59.011S 25.801W
Depth	39 km
Distances	2537.6 km (1573.3 mi) E of Tolhuin, Argentina 2585.7 km (1603.1 mi) E of Ushuaia, Argentina 2606.0 km (1615.7 mi) E of Río Grande, Argentina 2820.0 km (1748.4 mi) E of Río Gallegos, Argentina 2824.8 km (1751.4 mi) E of Punta Arenas, Chile
Location Uncertainty	Horizontal: 11.5 km; Vertical 7.8 km
Parameters	Nph = 50; Dmin = 840.1 km; Rmss = 0.58 seconds; Gp = 83° Version =
Event ID	us 7000lkax

(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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