M4.2 earthquake 26 km WNW of Copiapó, Chile
A magnitude 4.2 earthquake struck 26 km WNW of Copiapó, Chile on Mon, Oct 11, 2021, 12:13 PM GMT-3 (15:13 UTC), 62 km (38 mi) below the surface.
A larger quake followed: M4.8 89 km NNW of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-10-11 15:13:32 UTC
- Depth
- 61.5 km (38.2 mi), shallow
- Epicenter
- 27.318° S, 70.591° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.0 km horizontally, 4.5 km in depth
- Depth from
- From location
- Station coverage gap
- 132°
- Stations used
- 40
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.370 km WSW of Copiapó, Chile · 1816 days ago · 35 km deep · 49 km away
- 3.986 km WSW of Copiapó, Chile · 1815 days ago · 28 km deep · 70 km away
- 4.292 km WSW of Copiapó, Chile · 1811 days ago · 20 km deep · 72 km away · felt by 1
- 4.889 km NNW of Vallenar, Chile · 1771 days ago · 33 km deep · 76 km away · felt by 6
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ftqp. Read Sun, Oct 4, 2026, 9:15 AM UTC.