3.1
Earthquake Details: 17 km from Quesada, Alajuela, Costa Rica
Oct 1, 2026, 16:01:50
A magnitude 3.1 earthquake occurred near 17 km from Quesada, Alajuela, Costa Rica on Oct 1, 2026 at 16:01:50. The seismic event was recorded at a depth of -5 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-5 km
Significance0
Latitude10.1743
Longitude-84.4321
Event IDemsc:20261001_0000264
Magnitude3.1
Updated:Oct 1, 2026, 16:08:14 UTC
External Resources
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Time & depth
- Local time
- Oct 1, 2026, 10:01:50 CST
- UTC
- Oct 1, 2026, 16:01:50 UTC
-5 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.2Costa RicaBeforeM3.1near the coast of NicaraguaBeforeM3.3off the coast of Central AmericaBeforeM3.1off the coast of Central AmericaBeforeM3.4Offshore El SalvadorBeforeM3.7PanamaBeforeM3.2near the coast of NicaraguaBeforeM3.4Costa RicaBeforeM5.694 km SW of Tamarindo, Costa RicaBeforeM3.5off the coast of Costa RicaBeforeM4.3Offshore El SalvadorBeforeM3.3off the coast of Costa RicaBefore
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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: Oct 1, 2026, 16:08 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.