M4.3 earthquake 70 km WSW of Copiapó, Chile
A magnitude 4.3 earthquake struck 70 km WSW of Copiapó, Chile on Thu, Oct 14, 2021, 2:41 PM GMT-3 (17:41 UTC), 35 km (22 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
- 4.3 (ML, local (Richter)), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-10-14 17:41:36 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 27.569° S, 71.002° 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 2.7 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 179°
- Stations used
- 27
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 3.986 km WSW of Copiapó, Chile · 1815 days ago · 28 km deep · 26 km away
- 4.292 km WSW of Copiapó, Chile · 1811 days ago · 20 km deep · 23 km away · felt by 1
- 4.889 km NNW of Vallenar, Chile · 1771 days ago · 33 km deep · 30 km away · felt by 6
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000fumx. Read Sun, Oct 4, 2026, 9:14 AM UTC.