3.4
Earthquake Details: off the coast of San Isidro de El General, San Jose, Costa Rica
Sep 21, 2026, 08:26:51
A magnitude 3.4 earthquake occurred near off the coast of San Isidro de El General, San Jose, Costa Rica on Sep 21, 2026 at 08:26:51. The seismic event was recorded at a depth of -12 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
View recent seismic activity near this event:
Costa RicaSan JoseSan Isidro de El General (Nearest City)Technical Details
Depth-12 km
Significance0
Latitude8.9511
Longitude-84.1741
Event IDemsc:20260921_0000145
Magnitude3.4
Updated:Sep 21, 2026, 09:22:16 UTC
External Resources
View on EMSC Official SiteLoading map...
Time & depth
- Local time
- Sep 21, 2026, 02:26:51 CST
- UTC
- Sep 21, 2026, 08:26:51 UTC
-12 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.4off the coast of Central AmericaBeforeM3.3Costa RicaBeforeM3.2Costa RicaBeforeM3.2Panama–Costa Rica border regionBeforeM4.2off the coast of Costa RicaBeforeM3.3near the coast of NicaraguaAfterM3.3near the coast of NicaraguaAfterM3.8off the coast of Central AmericaAfterM3.3near the coast of NicaraguaAfterM3.7Costa RicaAfterM3.8Panama–Costa Rica border regionAfterM3.3PanamaAfter
You may also find these tools useful
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 21, 2026, 09:22 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.