Chile earthquakes

M4.5 earthquake 104 km WNW of Coquimbo, Chile

A magnitude 4.5 earthquake struck 104 km WNW of Coquimbo, Chile on Mon, Sep 21, 2015, 5:59 PM GMT-3 (20:59 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 67 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
4.5 (mb), light
Local time
UTC
2015-09-21 20:59:37 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
29.474° S, 72.269° 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 5.5 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.14
Depth from
Operator assigned
Station coverage gap
122°
Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 71 in the 60 days after this one and 34 in the 30 days before it.

After

The first 60 of 71.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003mkq. Read Tue, Sep 22, 2026, 6:24 AM UTC.