Argentina earthquakes

M5.1 earthquake 88 km NW of Vinchina, Argentina

A magnitude 5.1 earthquake struck 88 km NW of Vinchina, Argentina on Sun, Jan 28, 2018, 7:11 AM GMT-3 (10:11 UTC), 79 km (49 mi) below the surface.

Chilecito forecastMore in Argentina

Map

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

Open the live map with earthquakes

The earthquake

Magnitude
5.1 (mww), moderate
Local time
UTC
2018-01-28 10:11:26 UTC
Depth
79.3 km (49.3 mi), intermediate-depth
Epicenter
28.251° S, 68.902° W
Region
Argentina
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 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
Oblique normal
Moment magnitude
5.1 Mww
Nodal plane 1
Strike 299°, dip 45°, rake -120°
Nodal plane 2
Strike 159°, dip 52°, rake -63°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 6.0 km horizontally, 4.0 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
34°
Stations used
228

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

Earthquakes todayArgentina earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us2000cqm4 (also filed as iscgem611661679). Read Tue, Sep 29, 2026, 12:57 AM UTC.