2021-12-18 17:24:26 (M4.3) off the coast of Costa Rica 9.9 -86.1 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.3 Earthquake - off the coast of Costa Rica

Preliminary Report

Magnitude	4.3
Date-Time	18 Dec 2021 17:24:26 UTC 18 Dec 2021 11:24:26 near epicenter 18 Dec 2021 09:24:26 standard time in your timezone
Location	9.942N 86.063W
Depth	16 km
Distances	59.1 km (36.6 mi) W of S�mara, Costa Rica 63.1 km (39.1 mi) SW of Santa Cruz, Costa Rica 71.0 km (44.0 mi) WSW of Nicoya, Costa Rica 102.8 km (63.7 mi) SW of Liberia, Costa Rica 118.8 km (73.6 mi) WSW of Ca�as, Costa Rica
Location Uncertainty	Horizontal: 2.5 km; Vertical 5.5 km
Parameters	Nph = 85; Dmin = 70.3 km; Rmss = 0.76 seconds; Gp = 209° Version =
Event ID	us 6000gdf7

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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