2026-03-29 17:55:59 (M4.2) Near the coast of Bio-Bio, Chile -36.3 -73.9 (90be5)

M4.2 Earthquake - Near the coast of Bio-Bio, Chile

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 29 Mar 2026 17:56:00 Time near the Epicenter (1): 29 Mar 2026 13:56:00 Time in your area (1): 29 Mar 2026 09:56:00
Location	36.348S 73.900W
Depth	10 km
Distances	81.7 km (50.6 mi) WNW of Talcahuano, Chile 89.7 km (55.6 mi) WNW of Tomé, Chile 92.0 km (57.0 mi) WNW of Penco, Chile 92.8 km (57.6 mi) NW of Concepción, Chile 100.9 km (62.6 mi) NW of Chiguayante, Chile
Location Uncertainty	Horizontal: 7.4 km; Vertical 2.0 km
Parameters	Nph = 30; Dmin = 232.9 km; Rmss = 0.83 seconds; Gp = 117° Version =
Event ID	us 7000s8ks

(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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