3.5
Earthquake Details: off the coast of Costa Rica
Sep 30, 2026, 22:28:53
A magnitude 3.5 earthquake occurred near off the coast of Costa Rica on Sep 30, 2026 at 22:28:53. The seismic event was recorded at a depth of -9 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-9 km
Significance0
Latitude9.7210
Longitude-86.4660
Event IDemsc:20260930_0000281
Magnitude3.5
Updated:Sep 30, 2026, 22:36:18 UTC
External Resources
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Time & depth
- Local time
- Sep 30, 2026, 16:28:53 CST
- UTC
- Sep 30, 2026, 22:28:53 UTC
-9 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.1Offshore El SalvadorBeforeM4.2off the coast of Central AmericaBeforeM3.7off the coast of El SalvadorBeforeM4.1off the coast of El SalvadorBeforeM4.2Costa RicaBeforeM3.1near the coast of NicaraguaBeforeM3.3off the coast of Central AmericaBeforeM3.4Offshore El SalvadorBeforeM3.2near the coast of NicaraguaBeforeM3.4Costa RicaBeforeM5.694 km SW of Tamarindo, Costa RicaBeforeM4.3Offshore El SalvadorAfter
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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: Sep 30, 2026, 22:36 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.