Chile earthquakes

M4.2 earthquake 142 km WSW of Coquimbo, Chile

A magnitude 4.2 earthquake struck 142 km WSW of Coquimbo, Chile on Sat, Sep 19, 2015, 10:12 PM GMT-3 (01:12 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.3 Off the coast of Coquimbo, Chile. This one was a foreshock.

Coquimbo 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
4.2 (mb), light
Local time
UTC
2015-09-20 01:12:35 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
30.407° S, 72.723° 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.

Location uncertainty
About 3.6 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.20
Depth from
Operator assigned
Station coverage gap
94°
Stations used
32

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 134 in the 60 days after this one and 65 in the 30 days before it.

After

The first 60 of 134.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003m2b. Read Wed, Sep 23, 2026, 4:19 AM UTC.