2021-09-23 00:33:34 (M4.5) Off the coast of Bio-Bio, Chile -36.9 -74.2 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.5 Earthquake - Off the coast of Bio-Bio, Chile

Preliminary Report

Magnitude	4.5
Date-Time	23 Sep 2021 00:33:34 UTC 22 Sep 2021 20:33:34 near epicenter 22 Sep 2021 16:33:34 standard time in your timezone
Location	36.900S 74.153W
Depth	7 km
Distances	83.6 km (51.8 mi) WNW of Arauco, Chile 90.2 km (55.9 mi) NNW of Lebu, Chile 91.0 km (56.4 mi) WNW of Lota, Chile 91.4 km (56.6 mi) W of Coronel, Chile 98.7 km (61.2 mi) W of Concepci�n, Chile
Location Uncertainty	Horizontal: 6.6 km; Vertical 4.5 km
Parameters	Nph = 51; Dmin = 258.3 km; Rmss = 0.60 seconds; Gp = 135° Version =
Event ID	us 7000fdnr

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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