Minor Earthquake ● Active

M4.2 Earthquake — Off Coast Of Costa Rica

Event time: Oct 18, 2026 21:50 UTC Last updated: 21 hr ago Nicaragua

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

Magnitude 4.2 earthquake in Off Coast Of Costa Rica, reported by EMSC.

Measurements

Magnitude	M4.2
Depth	20.0 km
Coordinates	10.9130, -86.8570
Region	Off Coast Of Costa Rica

Measured by

Earthquake data courtesy of EMSC

This is a scientific measurement of an event that has already happened. It is not a warning, and it does not tell you what to do.

Not rated by source. European-Mediterranean Seismological Centre does not publish a severity for this; the level shown is our own classification.

View original report

This event as JSON · API and licence

Source updated 21 hours ago (Oct 18, 2026 21:57 UTC) · we last heard from European-Mediterranean Seismological Centre 24 seconds ago

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Official authorities in Nicaragua

If you are there, these are the bodies whose instructions apply. This site is not an emergency service and does not issue warnings.

INETER — Instituto Nicaraguense de Estudios Territoriales

More for Nicaragua →

General safety information

No authority has issued instructions for this event. The guidance below is general background reading, not a response to it.

Drop, Cover, and Hold On — what to do before, during and after an earthquake, plus emergency kit and family plan checklists.

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Nearby & related events

M4.6 Earthquake — 5 km E of San José El Ídolo, Guatemala Minor Earthquake Guatemala active via USGS 4 hr ago M4.9 Earthquake — Near Coast Of Nicaragua Minor Earthquake Nicaragua active via EMSC 13 hr ago M4.9 Earthquake — 68 km WSW of San Juan del Sur, Nicaragua Minor Earthquake Nicaragua active via USGS 13 hr ago M4.2 Earthquake — Off Coast Of Central America Minor Earthquake El Salvador active via EMSC 17 hr ago M4.2 Earthquake — Panama-costa Rica Border Region Minor Earthquake Costa Rica active via EMSC 1 day ago

Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.