2023-09-28 06:28:04 (M4.1) Colombia-Ecuador border region 1.2 -78.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M4.1 Earthquake - Colombia-Ecuador border region

Preliminary Report

Magnitude	4.1
Date-Time	Universal Time (UTC): 28 Sep 2023 06:28:04 Time near the Epicenter (1): 28 Sep 2023 02:28:04 Time in your area (1): 27 Sep 2023 22:28:04
Location	1.198N 78.823W
Depth	52 km
Distances	9.8 km (6.1 mi) S of San Lorenzo de Esmeraldas, Ecuador 18.7 km (11.6 mi) ESE of Valdez, Ecuador 65.6 km (40.7 mi) S of Tumaco, Colombia 96.2 km (59.6 mi) ENE of Esmeraldas, Ecuador 117.3 km (72.7 mi) NW of Atuntaqui, Ecuador
Location Uncertainty	Horizontal: 6.4 km; Vertical 5.5 km
Parameters	Nph = 21; Dmin = 10.8 km; Rmss = 0.72 seconds; Gp = 97° Version =
Event ID	us 6000lbba

(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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