3.4
Earthquake Details: La Rioja, Argentina
Oct 3, 2026, 08:10:26
A magnitude 3.4 earthquake occurred near La Rioja, Argentina on Oct 3, 2026 at 08:10:26. The seismic event was recorded at a depth of -112 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-112 km
Significance0
Latitude-28.3200
Longitude-68.0400
Event IDemsc:20261003_0000093
Magnitude3.4
Updated:Oct 3, 2026, 08:22:22 UTC
External Resources
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Time & depth
- Local time
- Oct 3, 2026, 05:10:26 GMT-3
- UTC
- Oct 3, 2026, 08:10:26 UTC
-112 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.3Salta, ArgentinaBeforeM3.2Coquimbo, ChileBeforeM3.2Antofagasta, ChileBeforeM3.2Salta, ArgentinaBeforeM3.2San Juan, ArgentinaBeforeM4.0Salta, ArgentinaBeforeM3.3Salta, ArgentinaBeforeM3.6Catamarca, ArgentinaBeforeM3.9Salta, ArgentinaBeforeM3.1Salta, ArgentinaBeforeM3.5Coquimbo, ChileAfterM3.3Atacama, 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: Oct 3, 2026, 08:22 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.