Argentina earthquakes

M3.9 earthquake 90 km WNW of Abra Pampa, Argentina

A magnitude 3.9 earthquake struck 90 km WNW of Abra Pampa, Argentina on Mon, Dec 13, 2021, 12:24 AM GMT-4 (04:24 UTC), 267 km (166 mi) below the surface.

A larger quake followed: M4.6 66 km W of Abra Pampa, Argentina. 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: 3.9 (mb, body-wave), minor
Magnitude from: USGS National Earthquake Information Center
Local time: Mon, Dec 13, 2021, 12:24 AM GMT-4
UTC: 2021-12-13 04:24:51 UTC
Depth: 267.2 km (166.1 mi), intermediate-depth
Epicenter: 22.371° S, 66.492° W
Region: Argentina
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 8.4 km horizontally, 10.0 km in depth
Magnitude uncertainty: ±0.14
Depth from: From location
Station coverage gap: 94°
Stations used: 48

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 5 in the 30 days before it.

After

Before

Earthquakes today Argentina earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000gbsf. Read Sat, Oct 3, 2026, 3:16 AM UTC.