2019-12-31 23:09:45 (M3.9) Costa Rica 10.0 -84.5 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M3.9 Earthquake - Costa Rica

Preliminary Report

Magnitude	3.9
Date-Time	31 Dec 2019 23:09:45 UTC 31 Dec 2019 17:09:45 near epicenter 31 Dec 2019 15:09:45 standard time in your timezone
Location	9.975N 84.457W
Depth	56 km
Distances	5.5 km (3.4 mi) SSW of Santiago, Costa Rica 6.2 km (3.8 mi) ENE of Desamparados, Costa Rica 12.6 km (7.8 mi) S of San Ram�n, Costa Rica 16.2 km (10.1 mi) SSW of Naranjo, Costa Rica 27.3 km (16.9 mi) W of Alajuela, Costa Rica
Location Uncertainty	Horizontal: 5.6 km; Vertical 3.8 km
Parameters	Nph = 17; Dmin = 37.9 km; Rmss = 0.51 seconds; Gp = 136° Version =
Event ID	us 70006t0z

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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