M4.5 earthquake 75 km W of Abra Pampa, Argentina
A magnitude 4.5 earthquake struck 75 km W of Abra Pampa, Argentina on Sun, Apr 18, 2021, 10:17 AM GMT-4 (14:17 UTC), 276 km (172 mi) below the surface.
A larger quake followed: M4.7 44 km W of Abra Pampa, Argentina. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-04-18 14:17:42 UTC
- Depth
- 276.5 km (171.8 mi), intermediate-depth
- Epicenter
- 22.733° S, 66.428° 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 I, not felt shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 10.4 km horizontally, 6.1 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 43°
- Stations used
- 33
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 6 in the 30 days before it.
After
- 4.5122 km W of Abra Pampa, Argentina · 1991 days ago · 257 km deep · 47 km away · felt by 1
- 4.2104 km NNW of San Antonio de los Cobres, Argentina · 1987 days ago · 201 km deep · 83 km away · felt by 1
- 4.744 km W of Abra Pampa, Argentina · 1983 days ago · 250 km deep · 30 km away · felt by 1
- 4.293 km WSW of Abra Pampa, Argentina · 1964 days ago · 229 km deep · 24 km away
- 4.4106 km NW of San Antonio de los Cobres, Argentina · 1940 days ago · 227 km deep · 91 km away
- 4.1123 km E of San Pedro de Atacama, Chile · 1938 days ago · 204 km deep · 60 km away
Before
- 4.581 km W of Abra Pampa, Argentina · 2000 days ago · 220 km deep · 11 km away
- 3.8112 km NNW of San Antonio de los Cobres, Argentina · 2005 days ago · 211 km deep · 84 km away
- 4.294 km W of El Aguilar, Argentina · 2006 days ago · 196 km deep · 69 km away
- 4.3Jujuy, Argentina · 2018 days ago · 238 km deep · 39 km away · felt by 1
- 4.586 km WSW of Abra Pampa, Argentina · 2022 days ago · 244 km deep · 24 km away · felt by 1
- 4.6118 km E of San Pedro de Atacama, Chile · 2023 days ago · 200 km deep · 65 km away · felt by 1
Earthquakes todayArgentina earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000e2mu. Read Sun, Oct 4, 2026, 2:56 AM UTC.