Chile earthquakes

M4.4 earthquake 80 km WSW of Coquimbo, Chile

A magnitude 4.4 earthquake struck 80 km WSW of Coquimbo, Chile on Sun, Sep 27, 2015, 6:01 PM GMT-3 (21:01 UTC), 18 km (11 mi) below the surface.

A larger quake followed: M4.6 74 km NW of Illapel, Chile. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
4.4 (mwr), light
Local time
UTC
2015-09-27 21:01:06 UTC
Depth
18.2 km (11.3 mi), shallow
Epicenter
30.357° S, 72.035° 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.

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
4.4 Mwr
Nodal plane 1
Strike 12°, dip 39°, rake 104°
Nodal plane 2
Strike 174°, dip 53°, rake 79°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.2 km horizontally, 3.4 km in depth
Magnitude uncertainty
±0.04
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 199 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 199.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003pjk. Read Tue, Sep 22, 2026, 7:48 PM UTC.