3.4
Earthquake Details: Antofagasta, Chile
Sep 29, 2026, 08:23:43
A magnitude 3.4 earthquake occurred near Antofagasta, Chile on Sep 29, 2026 at 08:23:43. The seismic event was recorded at a depth of -123.2 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-123.2 km
Significance0
Latitude-21.4000
Longitude-68.8400
Event IDemsc:20260929_0000087
Magnitude3.4
Updated:Sep 29, 2026, 08:33:07 UTC
External Resources
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Time & depth
- Local time
- Sep 29, 2026, 05:23:43 GMT-3
- UTC
- Sep 29, 2026, 08:23:43 UTC
-123.2 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.465 km WSW of Ollagüe, ChileBeforeM3.7Tarapacá, ChileBeforeM3.8Antofagasta, ChileBeforeM3.9Tarapacá, ChileBeforeM4.0Tarapacá, ChileBeforeM3.8Jujuy, ArgentinaBeforeM3.9Potosí, BoliviaBeforeM3.8Salta, ArgentinaBeforeM3.5Offshore Antofagasta, ChileAfterM3.5Salta, ArgentinaAfterM3.6Antofagasta, ChileAfterM4.3Potosí, BoliviaAfter
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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 29, 2026, 08:33 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.