4.3
Earthquake Details: 106 km ESE of Antofagasta, Chile
Aug 28, 2026, 23:48:03
A magnitude 4.3 earthquake occurred near 106 km ESE of Antofagasta, Chile on Aug 28, 2026 at 23:48:03. The seismic event was recorded at a depth of 77.04 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth77.04 km
Significance284
Latitude-23.9509
Longitude-69.3994
Event IDus7000tcqp
Magnitude4.3
Updated:Aug 29, 2026, 01:52:08 UTC
External Resources
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Time & depth
- Local time
- Aug 28, 2026, 19:48:03 GMT-4
- UTC
- Aug 28, 2026, 23:48:03 UTC
77.04 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby major cities
Nearby event sequence · 12
M4.348 km WSW of Abra Pampa, ArgentinaBeforeM3.7Salta, ArgentinaBeforeM3.7Atacama, ChileBeforeM3.9Salta, ArgentinaBeforeM3.7Salta, ArgentinaBeforeM3.6Salta, ArgentinaBeforeM4.626 km W of Ollagüe, ChileBeforeM3.6Antofagasta, ChileAfterM3.8Salta, ArgentinaAfterM3.9Antofagasta, ChileAfterM4.570 km ENE of San Pedro de Atacama, ChileAfterM4.726 km WSW of Tocopilla, 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: Aug 29, 2026, 01:52 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.