M4.4 earthquake 36 km N of Calingasta, Argentina
A magnitude 4.4 earthquake struck 36 km N of Calingasta, Argentina on Mon, Aug 2, 2021, 7:26 AM GMT-3 (10:26 UTC), 109 km (68 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
- 4.4 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-02 10:26:47 UTC
- Depth
- 109.1 km (67.8 mi), intermediate-depth
- Epicenter
- 31.003° S, 69.374° 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 4.9 km horizontally, 4.1 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 42°
- Stations used
- 39
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.321 km NNE of San Martín, Argentina · 1884 days ago · 109 km deep · 95 km away
- 4.323 km WSW of Pocito, Argentina · 1884 days ago · 15 km deep · 99 km away
- 4.642 km WSW of Villa Basilio Nievas, Argentina · 1880 days ago · 108 km deep · 78 km away · felt by 1
- 4.740 km NNW of San Martín, Argentina · 1877 days ago · 108 km deep · 73 km away · felt by 2
- 4.334 km NW of Villa Basilio Nievas, Argentina · 1868 days ago · 115 km deep · 52 km away
- 4.24 km S of Villa Basilio Nievas, Argentina · 1864 days ago · 107 km deep · 90 km away
Before
Earthquakes todayArgentina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f1g5. Read Mon, Oct 5, 2026, 4:36 AM UTC.