Chile earthquakes

M4.3 earthquake 173 km WSW of Coquimbo, Chile

A magnitude 4.3 earthquake struck 173 km WSW of Coquimbo, Chile on Wed, Sep 23, 2015, 2:06 PM GMT-3 (17:06 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 137 km WSW 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
4.3 (mb), light
Local time
UTC
2015-09-23 17:06:10 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
30.297° S, 73.094° 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 6.3 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.27
Depth from
Operator assigned
Station coverage gap
142°
Stations used
35

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 45 in the 60 days after this one and 81 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003ndp. Read Tue, Sep 22, 2026, 7:39 PM UTC.