M3.1 earthquake 22 km NW of Iquique, Chile
A magnitude 3.1 earthquake struck 22 km NW of Iquique, Chile on Tue, Mar 23, 2021, 10:25 PM GMT-3 (01:25 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.4 45 km NE of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.1 (ML, local (Richter)), minor
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-03-24 01:25:33 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 20.072° S, 70.308° 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 3.0 km horizontally, 2.0 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 175°
- Stations used
- 15
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 3 in the 30 days before it.
After
- 4.445 km NE of Iquique, Chile · 2015 days ago · 64 km deep · 47 km away · felt by 29
- 4.014 km WSW of Iquique, Chile · 2014 days ago · 33 km deep · 23 km away · felt by 14
- 3.626 km NE of Iquique, Chile · 1998 days ago · 65 km deep · 37 km away · felt by 7
- 4.357 km N of Iquique, Chile · 1986 days ago · 52 km deep · 47 km away · felt by 10
- 2.752 km SSW of Iquique, Chile · 1978 days ago · 66 km deep · 68 km away · felt by 1
- 3.851 km S of Iquique, Chile · 1977 days ago · 32 km deep · 68 km away · felt by 5
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dvxq. Read Fri, Oct 2, 2026, 8:23 PM UTC.