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

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.
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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.