2.8
Earthquake Details: 76 km from San Martin, Mendoza, Argentina
Sep 23, 2026, 17:54:37
A magnitude 2.8 earthquake occurred near 76 km from San Martin, Mendoza, Argentina on Sep 23, 2026 at 17:54:37. The seismic event was recorded at a depth of -221 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-221 km
Significance0
Latitude-33.3370
Longitude-67.7140
Event IDemsc:20260923_0000237
Magnitude2.8
Updated:Sep 23, 2026, 18:22:11 UTC
External Resources
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Time & depth
- Local time
- Sep 23, 2026, 14:54:37 GMT-3
- UTC
- Sep 23, 2026, 17:54:37 UTC
-221 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.3San Luis, ArgentinaBeforeM3.3La Rioja, ArgentinaBeforeM3.4Offshore Coquimbo, ChileAfterM3.4Offshore Valparaiso, ChileAfterM4.353 km WSW of San Antonio, ChileAfterM3.4Offshore Valparaiso, ChileAfterM3.3Offshore Valparaiso, ChileAfterM3.9Coquimbo, ChileAfterM3.3Offshore Valparaiso, ChileAfterM3.5Coquimbo, ChileAfterM3.7Coquimbo, ChileAfterM5.262 km SW of San Antonio, ChileAfter
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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 23, 2026, 18:22 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.