4.2
Earthquake Details: off the coast of San Isidro de El General, San Jose, Costa Rica
Sep 21, 2026, 00:58:30
A magnitude 4.2 earthquake occurred near off the coast of San Isidro de El General, San Jose, Costa Rica on Sep 21, 2026 at 00:58:30. The seismic event was recorded at a depth of -26 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-26 km
Significance0
Latitude8.9690
Longitude-84.1340
Event IDemsc:20260921_0000012
Magnitude4.2
Updated:Sep 21, 2026, 17:15:04 UTC
External Resources
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Time & depth
- Local time
- Sep 20, 2026, 18:58:30 CST
- UTC
- Sep 21, 2026, 00:58:30 UTC
-26 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 regionBeforeM3.4off the coast of Costa RicaAfterM3.3near 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
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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 21, 2026, 17:15 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.