M3.5 earthquake 108 km SSW of Iquique, Chile
A magnitude 3.5 earthquake struck 108 km SSW of Iquique, Chile on Sat, Feb 20, 2021, 12:23 AM GMT-3 (03:23 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M4.2 144 km NW 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
- 3.5 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-20 03:23:46 UTC
- Depth
- 42.4 km (26.4 mi), shallow
- Epicenter
- 21.081° S, 70.641° 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 II, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.0 km horizontally, 29.8 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 183°, poorly surrounded by stations
- Stations used
- 23
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
- 3.867 km SSE of Iquique, Chile · 2034 days ago · 66 km deep · 88 km away · felt by 5
- 4.014 km WSW of Iquique, Chile · 2014 days ago · 33 km deep · 97 km away · felt by 14
- 4.2144 km NW of Tocopilla, Chile · 1991 days ago · 6 km deep · 80 km away · felt by 2
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000djkc. Read Fri, Oct 2, 2026, 7:07 PM UTC.