Earthquake Details: off the coast of Costa Rica

8/17/2026, 5:01:50 AM

A magnitude 3.7 earthquake occurred near off the coast of Costa Rica on 8/17/2026 at 5:01:50 AM. The seismic event was recorded at a depth of -10 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

Nicaragua Rivas Department Rivas (Nearest City)

Technical Details

Depth-10 km

Significance0

Latitude10.8191

Longitude-86.3055

Event IDemsc:20260817_0000179

Magnitude3.7

Updated:8/17/2026, 6:08:06 AM

External Resources

View on EMSC Official Site

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Time & depth

Local time: 8/16/2026, 11:01:50 PM CST
UTC: 8/17/2026, 5:01:50 AM UTC

-10 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby major cities

Nearby event sequence · 12

M2.9near the coast of NicaraguaBefore8/15/2026, 3:25:23 AM M2.9Panama–Costa Rica border regionBefore8/15/2026, 12:47:52 PM M3.4Offshore El SalvadorBefore8/16/2026, 12:42:28 AM M3.6Costa RicaBefore8/16/2026, 5:35:48 AM M2.9off the coast of Costa RicaBefore8/16/2026, 7:11:10 AM M3.9off the coast of Costa RicaBefore8/16/2026, 11:54:31 AM M3.5Offshore El SalvadorBefore8/16/2026, 2:24:56 PM M3.3Offshore El SalvadorBefore8/16/2026, 2:43:03 PM M3.1Offshore El SalvadorBefore8/16/2026, 2:50:28 PM M3.4HondurasBefore8/17/2026, 12:07:11 AM M2.9Offshore El SalvadorBefore8/17/2026, 1:19:54 AM M3.2off the coast of Costa RicaAfter8/17/2026, 6:44:57 AM

Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 17, 2026, 06:08 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.