Argentina earthquakes

M4.2 earthquake 79 km WSW of Mendoza, Argentina

A magnitude 4.2 earthquake struck 79 km WSW of Mendoza, Argentina on Sat, Nov 11, 2017, 10:31 PM GMT-3 (01:31 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M4.6 63 km E of Villa Presidente Frei, Ñuñoa, Santiago, Chile, 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: 4.2 (Mwr, regional moment), light
Magnitude from: USGS National Earthquake Information Center
Local time: Sat, Nov 11, 2017, 10:31 PM GMT-3
UTC: 2017-11-12 01:31:31 UTC
Depth: 10.0 km (6.2 mi), shallow
Epicenter: 33.156° S, 69.618° W
Region: Argentina
Felt reports: 11
Tsunami flag: No
Status: Reviewed by a seismologist

Did you feel it?

11 people 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: Strike-slip
Moment magnitude: 4.2 Mwr
Nodal plane 1: Strike 136°, dip 68°, rake -19°
Nodal plane 2: Strike 234°, dip 72°, rake -157°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 4.3 km horizontally, 1.9 km in depth
Magnitude uncertainty: ±0.04
Depth from: Operator assigned
Station coverage gap: 41°
Stations used: 66

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 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 us2000bm7f. Read Thu, Oct 1, 2026, 6:29 PM UTC.