Chile earthquakes

M4.3 earthquake 26 km SSE of Villa Alemana, Chile

A magnitude 4.3 earthquake struck 26 km SSE of Villa Alemana, Chile on Tue, Sep 22, 2015, 10:40 AM GMT-3 (13:40 UTC), 49 km (30 mi) below the surface.

A larger quake followed: M4.6 Off the coast of Valparaiso, 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: 4.3 (mb), light
Local time: Tue, Sep 22, 2015, 10:40 AM GMT-3
UTC: 2015-09-22 13:40:32 UTC
Depth: 49.1 km (30.5 mi), shallow
Epicenter: 33.273° S, 71.304° W
Region: Chile
Felt reports: 2
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 3.8 km horizontally, 2.8 km in depth
Magnitude uncertainty: ±0.15
Depth from: From location
Station coverage gap: 98°
Stations used: 46

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 8 in the 30 days before it.

After

Before

Earthquakes today Chile earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us20003mvw. Read Tue, Sep 22, 2026, 10:18 AM UTC.