Low-bandwidth version · full page with map

M4.3 Earthquake — Off Coast Of Costa Rica

minor

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

Source

European-Mediterranean Seismological Centre — measured by

Time

10 September 2026, 08:29 UTC (Sep 10, 2026)

Area

Off Coast Of Costa Rica, Costa Rica
8.909, -84.095

Magnitude

M4.3

What this is

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.

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.
Full earthquake safety guide

Who to contact

OVSICORI — Volcanological and Seismological Observatory

This site is not an emergency service and does not issue warnings.

Location

No map is loaded here. A map means downloading image tiles from another service, which is the slowest thing on the full page and the first thing to fail on a weak connection. The coordinates are above if you need them.