Chile earthquakes

M4.5 earthquake 98 km W of Illapel, Chile

A magnitude 4.5 earthquake struck 98 km W of Illapel, Chile on Sat, Sep 19, 2015, 12:02 PM GMT-3 (15:02 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 183 km W 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
4.5 (mwr), light
Local time
UTC
2015-09-19 15:02:16 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
31.711° S, 72.204° 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 II, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

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
4.5 Mwr
Nodal plane 1
Strike 357°, dip 28°, rake 86°
Nodal plane 2
Strike 181°, dip 62°, rake 92°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 3.2 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.08
Depth from
Operator assigned
Station coverage gap
76°
Stations used
40

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 us20003lvw. Read Tue, Sep 22, 2026, 8:39 AM UTC.