2023-05-18 12:47:49 (M4.9) South Sandwich Islands region -55.8 -27.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.9 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 18 May 2023 12:47:50 Time near the Epicenter (1): 18 May 2023 10:47:50 Time in your area (1): 18 May 2023 04:47:50
Location	55.765S 27.165W
Depth	35 km
Distances	2360.0 km (1463.2 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2578.1 km (1598.4 mi) ENE of Ushuaia, Argentina 2580.8 km (1600.1 mi) ENE of R�o Grande, Argentina 2771.5 km (1718.3 mi) E of R�o Gallegos, Argentina 2776.6 km (1721.5 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 11.7 km; Vertical 7.1 km
Parameters	Nph = 21; Dmin = 618.8 km; Rmss = 0.85 seconds; Gp = 121° Version =
Event ID	us 6000kcva

(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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