2.8
Earthquake Details: Antofagasta, Chile
Oct 4, 2026, 03:37:28
A magnitude 2.8 earthquake occurred near Antofagasta, Chile on Oct 4, 2026 at 03:37:28. The seismic event was recorded at a depth of -128.6 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-128.6 km
Significance0
Latitude-21.6900
Longitude-68.7000
Event IDemsc:20261004_0000058
Magnitude2.8
Updated:Oct 4, 2026, 03:40:55 UTC
External Resources
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Time & depth
- Local time
- Oct 4, 2026, 00:37:28 GMT-3
- UTC
- Oct 4, 2026, 03:37:28 UTC
-128.6 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.3Antofagasta, ChileBeforeM3.3Antofagasta, ChileBeforeM3.3Antofagasta, ChileBeforeM3.2Jujuy, ArgentinaBeforeM3.4Jujuy, ArgentinaBeforeM4.0Salta, ArgentinaBeforeM3.4Antofagasta, ChileBeforeM3.5Antofagasta, ChileBeforeM3.6Tarapacá, ChileBeforeM3.2Antofagasta, ChileBeforeM3.3Salta, ArgentinaBeforeM3.4Salta, 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, 03:40 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.