2021-10-23 01:45:26 (M4.7) Near the coast of Bio-Bio, Chile -36.9 -72.8 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - Near the coast of Bio-Bio, Chile

Preliminary Report

Magnitude	4.7
Date-Time	23 Oct 2021 01:45:27 UTC 22 Oct 2021 21:45:27 near epicenter 22 Oct 2021 17:45:27 standard time in your timezone
Location	36.943S 72.848W
Depth	42 km
Distances	16.2 km (10.0 mi) E of Chiguayante, Chile 22.1 km (13.7 mi) SE of Concepci�n, Chile 26.0 km (16.1 mi) SSE of Penco, Chile 27.9 km (17.3 mi) ENE of Coronel, Chile 30.8 km (19.1 mi) NW of Yumbel, Chile
Location Uncertainty	Horizontal: 5.5 km; Vertical 5.8 km
Parameters	Nph = 46; Dmin = 37.4 km; Rmss = 0.87 seconds; Gp = 110° Version =
Event ID	us 6000fwwp

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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