M4.3 earthquake 94 km W of El Aguilar, Argentina
A magnitude 4.3 earthquake struck 94 km W of El Aguilar, Argentina on Mon, Jul 26, 2021, 3:58 AM GMT-4 (07:58 UTC), 191 km (119 mi) below the surface.
A larger quake followed: M6.2 86 km NW of San Antonio de los Cobres, 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
- 2021-07-26 07:58:08 UTC
- Depth
- 190.9 km (118.6 mi), intermediate-depth
- Epicenter
- 23.152° S, 66.596° 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 9.6 km horizontally, 10.2 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 87°
- Stations used
- 38
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.396 km NW of San Antonio de los Cobres, Argentina · 1891 days ago · 216 km deep · 67 km away · felt by 1
- 4.350 km NW of San Antonio de los Cobres, Argentina · 1882 days ago · 207 km deep · 86 km away · felt by 1
- 4.3Jujuy, Argentina · 1880 days ago · 254 km deep · 34 km away
- 4.2111 km E of San Pedro de Atacama, Chile · 1880 days ago · 221 km deep · 58 km away
- 4.3114 km W of Abra Pampa, Argentina · 1867 days ago · 192 km deep · 41 km away · felt by 1
- 4.385 km WNW of San Antonio de los Cobres, Argentina · 1859 days ago · 229 km deep · 100 km away
- 4.266 km WNW of San Antonio de los Cobres, Argentina · 1856 days ago · 223 km deep · 95 km away
- 6.286 km NW of San Antonio de los Cobres, Argentina · 1847 days ago · 205 km deep · 80 km away · felt by 52
- 4.451 km WNW of San Antonio de los Cobres, Argentina · 1845 days ago · 202 km deep · 96 km away
- 4.3115 km NW of San Antonio de los Cobres, Argentina · 1840 days ago · 212 km deep · 61 km away
- 4.4Chile-Argentina border region · 1838 days ago · 190 km deep · 92 km away
Before
- 4.5110 km NW of San Antonio de los Cobres, Argentina · 1906 days ago · 234 km deep · 53 km away
- 4.261 km WNW of San Antonio de los Cobres, Argentina · 1909 days ago · 220 km deep · 96 km away
- 4.455 km WSW of Abra Pampa, Argentina · 1913 days ago · 251 km deep · 49 km away · felt by 1
- 4.578 km WNW of San Antonio de los Cobres, Argentina · 1922 days ago · 238 km deep · 92 km away
- 4.990 km W of Abra Pampa, Argentina · 1922 days ago · 215 km deep · 59 km away · felt by 2
- 4.465 km WNW of San Antonio de los Cobres, Argentina · 1925 days ago · 214 km deep · 87 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ez4e. Read Sun, Oct 4, 2026, 4:40 PM UTC.