2023-08-20 19:59:48 (M5.7) South Sandwich Islands region -56.0 -27.6 (70fa9)

M5.7 Earthquake - South Sandwich Islands region

Preliminary Report

Magnitude	5.7
Date-Time	Universal Time (UTC): 20 Aug 2023 19:59:49 Time near the Epicenter (1): 20 Aug 2023 17:59:49 Time in your area (1): 21 Aug 2023 01:29:49
Location	55.968S 27.602W
Depth	75 km
Distances	2394.2 km (1484.4 mi) SW of Edinburgh of the Seven Seas, Saint Helena 2545.9 km (1578.4 mi) ENE of Ushuaia, Argentina 2549.3 km (1580.6 mi) ENE of R�o Grande, Argentina 2741.2 km (1699.6 mi) E of R�o Gallegos, Argentina 2750.3 km (1705.2 mi) E of Puerto Deseado, Argentina
Location Uncertainty	Horizontal: 9.9 km; Vertical 5.8 km
Parameters	Nph = 73; Dmin = 597.3 km; Rmss = 0.76 seconds; Gp = 46° Version =
Event ID	us 7000kpp4

(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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