3.3
Earthquake Details: San Juan, Argentina
Oct 4, 2026, 19:57:45
A magnitude 3.3 earthquake occurred near San Juan, Argentina on Oct 4, 2026 at 19:57:45. The seismic event was recorded at a depth of -132 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-132 km
Significance0
Latitude-32.0200
Longitude-70.0000
Event IDemsc:20261004_0000308
Magnitude3.3
Updated:Oct 4, 2026, 20:08:10 UTC
External Resources
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Time & depth
- Local time
- Oct 4, 2026, 16:57:45 GMT-3
- UTC
- Oct 4, 2026, 19:57:45 UTC
-132 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.2San Juan, ArgentinaBeforeM4.330 km NNW of Valparaiso, ChileBeforeM3.4La Rioja, ArgentinaBeforeM3.5Coquimbo, ChileBeforeM3.5Maule, ChileBeforeM3.3Atacama, ChileBeforeM3.3off the coast of Coquimbo, ChileBeforeM3.0Atacama, ChileBeforeM3.0San Juan, ArgentinaBeforeM2.9San Juan, ArgentinaAfterM2.9San Juan, ArgentinaAfterM3.7San Juan, ArgentinaAfter
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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 4, 2026, 20:08 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.