Chile earthquakes

M4.3 earthquake 79 km WSW of Coquimbo, Chile

A magnitude 4.3 earthquake struck 79 km WSW of Coquimbo, Chile on Fri, Oct 9, 2015, 9:45 AM GMT-3 (12:45 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.5 89 km W of Ovalle, 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 (mwr), light
Local time
UTC
2015-10-09 12:45:39 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
30.137° S, 72.139° 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
Oblique reverse
Moment magnitude
4.3 Mwr
Nodal plane 1
Strike 28°, dip 44°, rake 125°
Nodal plane 2
Strike 164°, dip 56°, rake 61°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 2.3 km horizontally, 1.8 km in depth
Magnitude uncertainty
±0.05
Depth from
Operator assigned
Station coverage gap
88°
Stations used
75

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 153 in the 60 days after this one and 46 in the 30 days before it.

After

The first 60 of 153.

Before

Earthquakes todayChile earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003mg9. Read Tue, Sep 22, 2026, 11:14 AM UTC.