2023-12-18 03:55:19 (M4.9) South Atlantic Ocean -53.8 -47.4 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.9 Earthquake - South Atlantic Ocean

Preliminary Report

Magnitude	4.9
Date-Time	Universal Time (UTC): 18 Dec 2023 03:55:20 Time near the Epicenter (1): 18 Dec 2023 00:55:20 Time in your area (1): 17 Dec 2023 19:55:20
Location	53.788S 47.407W
Depth	10 km
Distances	1291.2 km (800.6 mi) ENE of Tolhuin, Argentina 1333.5 km (826.8 mi) E of Río Grande, Argentina 1360.9 km (843.8 mi) ENE of Ushuaia, Argentina 1460.9 km (905.8 mi) ESE of Puerto Deseado, Argentina 1487.7 km (922.4 mi) E of Río Gallegos, Argentina
Location Uncertainty	Horizontal: 8.0 km; Vertical 1.9 km
Parameters	Nph = 22; Dmin = 717.7 km; Rmss = 1.00 seconds; Gp = 157° Version =
Event ID	us 7000ljsg

(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


Disclaimer

This email was sent to list-quake@xxxxxxxxxxx

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (Default World)
for M3.5 between 08:00 and 20:00 and M4.0 other times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP list-quake@xxxxxxxxxxx