2023-10-11 16:23:46 (M4.9) east of the South Sandwich Islands -58.3 -15.7 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - east of the South Sandwich Islands

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 11 Oct 2023 16:23:46 Time near the Epicenter (1): 11 Oct 2023 15:23:46 Time in your area (1): 11 Oct 2023 08:23:46
Location	58.287S 15.749W
Depth	10 km
Distances	2372.5 km (1471.0 mi) S of Edinburgh of the Seven Seas, Saint Helena 3172.6 km (1967.0 mi) ENE of Ushuaia, Argentina 3194.3 km (1980.4 mi) ENE of R�o Grande, Argentina 3408.5 km (2113.3 mi) E of R�o Gallegos, Argentina 3412.7 km (2115.9 mi) ENE of Punta Arenas, Chile
Location Uncertainty	Horizontal: 6.3 km; Vertical 1.9 km
Parameters	Nph = 23; Dmin = 1354.8 km; Rmss = 0.82 seconds; Gp = 87° Version =
Event ID	us 6000levb

(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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