Earthquake Details: Antofagasta, Chile

8/16/2026, 11:20:19 PM

A magnitude 3.1 earthquake occurred near Antofagasta, Chile on 8/16/2026 at 11:20:19 PM. The seismic event was recorded at a depth of -231.7 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

Chile Antofagasta Calama (Nearest City)

Technical Details

Depth-231.7 km

Significance0

Latitude-23.8300

Longitude-67.4900

Event IDemsc:20260816_0000856

Magnitude3.1

Updated:8/16/2026, 11:26:02 PM

External Resources

View on EMSC Official Site

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Time & depth

Local time: 8/16/2026, 7:20:19 PM GMT-4
UTC: 8/16/2026, 11:20:19 PM UTC

-231.7 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby major cities

Calama

212 km NW

San Salvador de Jujuy

Nearby event sequence · 12

M3.5Antofagasta, ChileBefore8/15/2026, 3:34:34 AM M3.6Antofagasta, ChileBefore8/15/2026, 11:33:40 AM M3.6Tarapaca, ChileBefore8/15/2026, 12:53:30 PM M3.8Salta, ArgentinaBefore8/15/2026, 5:08:06 PM M3.5Salta, ArgentinaBefore8/16/2026, 4:21:39 AM M3.4Antofagasta, ChileBefore8/16/2026, 6:24:42 AM M4.6Jujuy, ArgentinaBefore8/16/2026, 4:40:37 PM M3.7Antofagasta, ChileBefore8/16/2026, 7:08:08 PM M4.5100 km W of San Antonio de los Cobres, ArgentinaBefore8/16/2026, 9:06:07 PM M3.4Antofagasta, ChileBefore8/16/2026, 10:24:01 PM M3.6Offshore Antofagasta, ChileAfter8/17/2026, 7:39:21 AM M4.0Potosi, BoliviaAfter8/17/2026, 7:59:10 AM

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 16, 2026, 11:26 PM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.