4.7
Earthquake Details: 81 km W of San Antonio de los Cobres, Argentina
8/20/2026, 3:09:06 AM
A magnitude 4.7 earthquake occurred near 81 km W of San Antonio de los Cobres, Argentina on 8/20/2026 at 3:09:06 AM. The seismic event was recorded at a depth of 166.71 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth166.71 km
Significance340
Latitude-24.3365
Longitude-67.1154
Event IDus6000tm1m
Magnitude4.7
Updated:8/20/2026, 3:24:10 AM
External Resources
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Time & depth
- Local time
- 8/20/2026, 12:09:06 AM GMT-3
- UTC
- 8/20/2026, 3:09:06 AM UTC
166.71 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 12
M3.6Offshore Antofagasta, ChileBeforeM4.3105 km SW of Atocha, BoliviaBeforeM3.9Antofagasta, ChileBeforeM3.6Potosi, BoliviaBeforeM4.636 km WNW of Ollagüe, ChileBeforeM3.6Salta, ArgentinaBeforeM3.6Antofagasta, ChileBeforeM3.4Antofagasta, ChileBeforeM4.785 km S of Antofagasta, ChileAfterM4.0Tarapaca, ChileAfterM4.162 km W of Ollagüe, ChileAfterM3.4Antofagasta, ChileAfter
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: Aug 20, 2026, 03:24 AM 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.