M4.4 earthquake 111 km E of Iquique, Chile
A magnitude 4.4 earthquake struck 111 km E of Iquique, Chile on Tue, Feb 23, 2021, 4:15 PM GMT-3 (19:15 UTC), 110 km (69 mi) below the surface.
A larger quake followed: M4.7 137 km ENE 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
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-02-23 19:15:03 UTC
- Depth
- 110.5 km (68.6 mi), intermediate-depth
- Epicenter
- 20.074° S, 69.094° W
- Region
- Chile
- Felt reports
- 7
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
7 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Moment magnitude
- 4.4 Mwr
- Nodal plane 1
- Strike 212°, dip 85°, rake -55°
- Nodal plane 2
- Strike 308°, dip 35°, rake -172°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 6.3 km horizontally, 4.5 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 56°
- Stations used
- 46
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.2106 km E of Iquique, Chile · 2044 days ago · 108 km deep · 31 km away · felt by 4
- 4.3104 km ENE of Iquique, Chile · 2027 days ago · 104 km deep · 47 km away
- 3.656 km ESE of Iquique, Chile · 2020 days ago · 31 km deep · 76 km away · felt by 6
- 4.445 km NE of Iquique, Chile · 2015 days ago · 64 km deep · 88 km away · felt by 29
- 4.7137 km ENE of Iquique, Chile · 2011 days ago · 131 km deep · 45 km away · felt by 12
- 4.2119 km SE of Iquique, Chile · 2010 days ago · 84 km deep · 98 km away · felt by 2
- 3.626 km NE of Iquique, Chile · 1997 days ago · 65 km deep · 90 km away · felt by 7
- 4.4111 km NE of Iquique, Chile · 1996 days ago · 100 km deep · 72 km away · felt by 9
- 4.2135 km ENE of Iquique, Chile · 1991 days ago · 107 km deep · 39 km away
- 4.2110 km NE of Iquique, Chile · 1988 days ago · 101 km deep · 52 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dkgh. Read Fri, Oct 2, 2026, 4:02 PM UTC.