Chile earthquakes

M5.1 earthquake 40 km WNW of Coquimbo, Chile

A magnitude 5.1 earthquake struck 40 km WNW of Coquimbo, Chile on Sat, Oct 3, 2015, 8:21 AM GMT-3 (11:21 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M5.5 83 km WSW of Coquimbo, Chile. This one was a foreshock.

Coquimbo forecast More in Chile

Map

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

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The earthquake

Magnitude: 5.1 (mww), moderate
Local time: Sat, Oct 3, 2015, 8:21 AM GMT-3
UTC: 2015-10-03 11:21:01 UTC
Depth: 28.5 km (17.7 mi), shallow
Epicenter: 29.820° S, 71.726° W
Region: Chile
Felt reports: 1
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

1 person reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

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: 5.1 Mww
Nodal plane 1: Strike 185°, dip 62°, rake 89°
Nodal plane 2: Strike 6°, dip 28°, rake 91°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.5 km horizontally, 3.6 km in depth
Depth from: From location
Station coverage gap: 114°
Stations used: 102

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 132 in the 60 days after this one and 67 in the 30 days before it.

After

The first 60 of 132.

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10003k08 (also filed as gcmt20151003112101, iscgem610433780). Read Tue, Sep 22, 2026, 7:10 AM UTC.