Chile earthquakes

M4.5 earthquake 42 km S of Antofagasta, Chile

A magnitude 4.5 earthquake struck 42 km S of Antofagasta, Chile on Fri, Aug 4, 1995, 7:28 AM GMT-4 (11:28 UTC), 32 km (20 mi) below the surface.

A larger quake followed: M4.6 52 km NNW of Antofagasta, Chile. This one was a foreshock.

Antofagasta forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1995-08-04 11:28:50 UTC
Depth
31.5 km (19.6 mi), shallow
Epicenter
24.033° S, 70.355° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Depth from
CONSTRAINED_BY_DEPTH_PHASES

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 28 in the 60 days after this one and 112 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00071eg. Read Tue, Sep 22, 2026, 10:27 PM UTC.