2025-10-03 10:47:31 (M4.2) off the coast of Costa Rica 10.3 -86.6 (90be5)

M4.2 Earthquake - off the coast of Costa Rica

Preliminary Report

Magnitude	4.2
Date-Time	Universal Time (UTC): 3 Oct 2025 10:47:32 Time near the Epicenter (1): 3 Oct 2025 05:47:32 Time in your area (1): 3 Oct 2025 02:47:32
Location	10.344N 86.581W
Depth	19 km
Distances	81.2 km (50.4 mi) W of Tamarindo, Costa Rica 109.5 km (67.9 mi) W of Santa Cruz, Costa Rica 125.7 km (77.9 mi) W of Nicoya, Costa Rica 129.2 km (80.1 mi) WSW of Liberia, Costa Rica 146.4 km (90.7 mi) SW of Rivas, Nicaragua
Location Uncertainty	Horizontal: 6.5 km; Vertical 4.3 km
Parameters	Nph = 101; Dmin = 131.6 km; Rmss = 0.53 seconds; Gp = 153° Version =
Event ID	us 6000reh3

(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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