3.0
Earthquake Details: San Juan, Argentina
Sep 21, 2026, 10:29:38
A magnitude 3.0 earthquake occurred near San Juan, Argentina on Sep 21, 2026 at 10:29:38. The seismic event was recorded at a depth of -107 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-107 km
Significance0
Latitude-31.7100
Longitude-69.4600
Event IDemsc:20260921_0000166
Magnitude3.0
Updated:Sep 21, 2026, 10:36:28 UTC
External Resources
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Time & depth
- Local time
- Sep 21, 2026, 07:29:38 GMT-3
- UTC
- Sep 21, 2026, 10:29:38 UTC
-107 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.434 km NW of Coquimbo, ChileBeforeM3.5Atacama, ChileBeforeM4.0Atacama, ChileBeforeM3.5San Juan, ArgentinaBeforeM3.6San Juan, ArgentinaBeforeM4.233 km NNW of La Serena, ChileAfterM5.351 km WSW of Arauco, ArgentinaAfterM3.4Offshore Coquimbo, ChileAfterM3.4Atacama, ChileAfterM4.353 km WSW of San Antonio, ChileAfterM4.3Offshore Atacama, ChileAfterM3.9Coquimbo, 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 21, 2026, 10:36 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.