3.9
Earthquake Details: Antofagasta, Chile
Oct 9, 2026, 21:22:29
A magnitude 3.9 earthquake occurred near Antofagasta, Chile on Oct 9, 2026 at 21:22:29. The seismic event was recorded at a depth of -123.1 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-123.1 km
Significance0
Latitude-21.4100
Longitude-68.6900
Event IDemsc:20261009_0000329
Magnitude3.9
Updated:Oct 9, 2026, 21:30:10 UTC
External Resources
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Time & depth
- Local time
- Oct 9, 2026, 18:22:29 GMT-3
- UTC
- Oct 9, 2026, 21:22:29 UTC
-123.1 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.745 km WNW of Ollagüe, ChileBeforeM3.8Tarapacá, ChileBeforeM4.539 km NE of Calama, ChileBeforeM3.3Tarapacá, ChileBeforeM3.4Antofagasta, ChileBeforeM3.4Antofagasta, ChileBeforeM4.3Tarapacá, ChileBeforeM5.172 km SSW of Colchane, ChileBeforeM3.9Potosí, BoliviaBeforeM3.8Antofagasta, ChileAfterM3.3Tarapacá, ChileAfterM3.3Antofagasta, 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 9, 2026, 21:30 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.