2021-09-21 15:27:23 (M4.6) Off the coast of Bio-Bio, Chile -36.8 -74.0 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.6 Earthquake - Off the coast of Bio-Bio, Chile

Preliminary Report

Magnitude	4.6
Date-Time	21 Sep 2021 15:27:24 UTC 21 Sep 2021 11:27:24 near epicenter 21 Sep 2021 07:27:24 standard time in your timezone
Location	36.786S 74.027W
Depth	10 km
Distances	81.2 km (50.3 mi) NW of Arauco, Chile 81.5 km (50.6 mi) W of Talcahuano, Chile 83.7 km (51.9 mi) WNW of Coronel, Chile 84.5 km (52.4 mi) WNW of Lota, Chile 87.3 km (54.1 mi) W of Concepci�n, Chile
Location Uncertainty	Horizontal: 8.4 km; Vertical 1.9 km
Parameters	Nph = 44; Dmin = 246.3 km; Rmss = 0.54 seconds; Gp = 158° Version =
Event ID	us 7000fd53

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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