Chile earthquakes

M4.7 earthquake 92 km NW of Valparaíso, Chile

A magnitude 4.7 earthquake struck 92 km NW of Valparaíso, Chile on Mon, Sep 21, 2015, 2:50 AM GMT-3 (05:50 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M5.6 47 km WSW of Illapel, Chile. This one was a foreshock.

Quintero 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
4.7 (mb), light
Local time
UTC
2015-09-21 05:50:55 UTC
Depth
10.0 km (6.2 mi), shallow
Epicenter
32.382° S, 72.234° 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 V, moderate shaking.

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

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 5.0 km horizontally, 1.9 km in depth
Magnitude uncertainty
±0.19
Depth from
Operator assigned
Station coverage gap
145°
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 1.7 and up: 101 in the 60 days after this one and 98 in the 30 days before it.

After

The first 60 of 101.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003mcn. Read Tue, Sep 22, 2026, 2:36 AM UTC.