M4.0 earthquake 69 km WNW of Abra Pampa, Argentina
A magnitude 4.0 earthquake struck 69 km WNW of Abra Pampa, Argentina on Wed, Nov 3, 2021, 11:24 PM GMT-4 (03:24 UTC), 274 km (170 mi) below the surface.
A larger quake followed: M4.8 82 km SSW of Atocha, Bolivia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-11-04 03:24:18 UTC
- Depth
- 274.1 km (170.3 mi), intermediate-depth
- Epicenter
- 22.376° S, 66.261° 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 10.7 km horizontally, 11.2 km in depth
- Magnitude uncertainty
- ±0.23
- Depth from
- From location
- Station coverage gap
- 84°
- Stations used
- 30
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 0 in the 30 days before it.
After
- 4.282 km W of Abra Pampa, Argentina · 1785 days ago · 267 km deep · 52 km away
- 4.593 km W of El Aguilar, Argentina · 1780 days ago · 201 km deep · 89 km away
- 4.882 km SSW of Atocha, Bolivia · 1761 days ago · 209 km deep · 96 km away
- 4.399 km SW of Atocha, Bolivia · 1756 days ago · 250 km deep · 93 km away
- 3.990 km WNW of Abra Pampa, Argentina · 1755 days ago · 267 km deep · 24 km away
- 4.666 km W of Abra Pampa, Argentina · 1737 days ago · 238 km deep · 46 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000fraz. Read Sat, Oct 3, 2026, 6:08 AM UTC.