Earthquake Details: Offshore Antofagasta, Chile

8/17/2026, 7:39:21 AM

A magnitude 3.6 earthquake occurred near Offshore Antofagasta, Chile on 8/17/2026 at 7:39:21 AM. The seismic event was recorded at a depth of -36.4 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

Chile Antofagasta Antofagasta (Nearest City)

Technical Details

Depth-36.4 km

Significance0

Latitude-25.4900

Longitude-70.8100

Event IDemsc:20260817_0000248

Magnitude3.6

Updated:8/17/2026, 7:45:31 AM

External Resources

View on EMSC Official Site

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Time & depth

Local time: 8/17/2026, 3:39:21 AM GMT-4
UTC: 8/17/2026, 7:39:21 AM UTC

-36.4 km · Shallow-focus

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

Nearby major cities

Nearby event sequence · 12

M3.5Antofagasta, ChileBefore8/15/2026, 3:34:34 AM M3.3Salta, ArgentinaBefore8/15/2026, 7:16:05 AM M4.2Offshore Coquimbo, ChileBefore8/15/2026, 10:22:52 AM M3.6Antofagasta, ChileBefore8/15/2026, 11:33:40 AM M3.8Salta, ArgentinaBefore8/15/2026, 5:08:06 PM M4.239 km N of Vallenar, ChileBefore8/15/2026, 7:57:51 PM M3.5Salta, ArgentinaBefore8/16/2026, 4:21:39 AM M3.5San Juan, ArgentinaBefore8/16/2026, 2:41:40 PM 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

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 17, 2026, 07:45 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.