Argentina earthquakes

M5.1 earthquake 62 km E of Caucete, Argentina

A magnitude 5.1 earthquake struck 62 km E of Caucete, Argentina on Sun, Nov 27, 1977, 5:15 PM GMT-3 (20:15 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 45 km SSW of San Agustín de Valle Fértil, Argentina. This one was a foreshock.

Caucete forecast More in Argentina

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

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The earthquake

Magnitude: 5.1 (mb), moderate
Local time: Sun, Nov 27, 1977, 5:15 PM GMT-3
UTC: 1977-11-27 20:15:03 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 31.685° S, 67.628° 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.

Depth from: OPERATOR_ASSIGNED
Stations used: 66

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 39 in the 60 days after this one and 63 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 usp0000ru0 (also filed as iscgem691051). Read Tue, Sep 22, 2026, 12:17 PM UTC.