Chile earthquakes

M4.2 earthquake 89 km WSW of Coquimbo, Chile

A magnitude 4.2 earthquake struck 89 km WSW of Coquimbo, Chile on Thu, Sep 17, 2015, 4:11 PM GMT-3 (19:11 UTC), 14 km (9 mi) below the surface.

A larger quake followed: M4.4 22 km SW of Ovalle, 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
4.2 (mwr), light
Local time
UTC
2015-09-17 19:11:19 UTC
Depth
14.0 km (8.7 mi), shallow
Epicenter
30.281° S, 72.189° 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
4.2 Mwr
Nodal plane 1
Strike 158°, dip 65°, rake 64°
Nodal plane 2
Strike 26°, dip 35°, rake 132°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 1.8 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.05
Depth from
From moment tensor inversion
Station coverage gap
93°
Stations used
48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003kta. Read Tue, Sep 22, 2026, 8:33 PM UTC.