M6.0 earthquake 69 km NW of Vinchina, Argentina
A magnitude 6.0 earthquake struck 69 km NW of Vinchina, Argentina on Tue, May 18, 1971, 3:12 AM GMT-3 (06:12 UTC), 85 km (53 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mw), moderate
- Local time
- UTC
- 1971-05-18 06:12:36 UTC
- Depth
- 85.0 km (52.8 mi), intermediate-depth
- Epicenter
- 28.393° S, 68.778° W
- Region
- Argentina
- Strongest shaking
- V, moderate shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- V, moderate shaking
- Peak ground acceleration
- 5.4% of gravity
- Peak ground velocity
- 0.7 cm/s
- Map
- Automatic
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.44
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 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 iscgem784679. Read Tue, Sep 22, 2026, 10:58 AM UTC.