M4.3 earthquake 23 km WSW of Pocito, Argentina
A magnitude 4.3 earthquake struck 23 km WSW of Pocito, Argentina on Sat, Aug 7, 2021, 7:33 PM GMT-3 (22:33 UTC), 15 km (10 mi) below the surface.
A larger quake followed: M4.7 40 km NNW of San Martín, Argentina. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-07 22:33:31 UTC
- Depth
- 15.5 km (9.6 mi), shallow
- Epicenter
- 31.755° S, 68.811° 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.
- Location uncertainty
- About 5.0 km horizontally, 6.4 km in depth
- Magnitude uncertainty
- ±0.24
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.642 km WSW of Villa Basilio Nievas, Argentina · 1880 days ago · 108 km deep · 34 km away · felt by 1
- 4.740 km NNW of San Martín, Argentina · 1877 days ago · 108 km deep · 77 km away · felt by 2
- 4.334 km NW of Villa Basilio Nievas, Argentina · 1867 days ago · 115 km deep · 48 km away
- 4.24 km S of Villa Basilio Nievas, Argentina · 1864 days ago · 107 km deep · 20 km away
Before
Earthquakes todayArgentina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f38y. Read Sun, Oct 4, 2026, 10:32 PM UTC.