M4.1 earthquake 101 km WNW of Iquique, Chile
A magnitude 4.1 earthquake struck 101 km WNW of Iquique, Chile on Sun, Nov 1, 2020, 6:45 PM GMT-3 (21:45 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M4.3 67 km W 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
- 4.1 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-11-01 21:45:51 UTC
- Depth
- 11.4 km (7.1 mi), shallow
- Epicenter
- 19.952° S, 71.078° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 350°, dip 32°, rake 90°
- Nodal plane 2
- Strike 169°, dip 58°, rake 90°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.0 km horizontally, 4.5 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 165°
- Stations used
- 42
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
- 4.285 km SW of Iquique, Chile · 2155 days ago · 10 km deep · 86 km away · felt by 6
- 3.672 km W of Iquique, Chile · 2149 days ago · 24 km deep · 41 km away · felt by 1
- 4.367 km W of Iquique, Chile · 2149 days ago · 24 km deep · 44 km away · felt by 3
- 4.279 km W of Iquique, Chile · 2148 days ago · 17 km deep · 36 km away · felt by 1
- 3.987 km SSW of Arica, Chile · 2125 days ago · 69 km deep · 98 km away · felt by 3
- 3.893 km SW of Iquique, Chile · 2121 days ago · 35 km deep · 90 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000c927. Read Fri, Oct 2, 2026, 8:07 PM UTC.