M4.1 earthquake 111 km W of Tocopilla, Chile
A magnitude 4.1 earthquake struck 111 km W of Tocopilla, Chile on Sat, Dec 4, 2021, 4:22 PM GMT-3 (19:22 UTC), 19 km (12 mi) below the surface.
A larger quake followed: M4.7 14 km WNW of Tocopilla, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-12-04 19:22:05 UTC
- Depth
- 18.8 km (11.7 mi), shallow
- Epicenter
- 22.018° S, 71.270° W
- Region
- Chile
- 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 4.7 km horizontally, 5.8 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 193°, poorly surrounded by stations
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000g929. Read Sun, Oct 4, 2026, 3:13 AM UTC.