M4.1 earthquake 144 km ESE of Iquique, Chile
A magnitude 4.1 earthquake struck 144 km ESE of Iquique, Chile on Mon, Sep 21, 2020, 8:59 AM GMT-3 (11:59 UTC), 105 km (66 mi) below the surface.
A larger quake followed: M4.8 117 km E 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 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-21 11:59:26 UTC
- Depth
- 105.5 km (65.5 mi), intermediate-depth
- Epicenter
- 20.903° S, 68.971° 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 5.1 km horizontally, 4.8 km in depth
- Magnitude uncertainty
- ±0.21
- Depth from
- From location
- Station coverage gap
- 87°
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.3122 km ESE of Iquique, Chile · 2184 days ago · 98 km deep · 24 km away · felt by 9
- 4.3145 km ESE of Iquique, Chile · 2182 days ago · 108 km deep · 1 km away
- 4.3130 km ESE of Iquique, Chile · 2177 days ago · 111 km deep · 16 km away
- 4.1130 km ESE of Iquique, Chile · 2163 days ago · 105 km deep · 37 km away · felt by 2
- 4.598 km NNE of Calama, Chile · 2159 days ago · 140 km deep · 87 km away
- 4.8117 km E of Iquique, Chile · 2148 days ago · 85 km deep · 57 km away · felt by 23
- 4.3134 km N of Calama, Chile · 2147 days ago · 128 km deep · 38 km away
- 4.4122 km E of Iquique, Chile · 2144 days ago · 101 km deep · 64 km away · felt by 6
Before
- 4.9161 km N of Calama, Chile · 2204 days ago · 124 km deep · 32 km away · felt by 6
- 4.2127 km ESE of Iquique, Chile · 2210 days ago · 120 km deep · 17 km away · felt by 3
- 4.6136 km ESE of Iquique, Chile · 2213 days ago · 124 km deep · 9 km away · felt by 1
- 3.753 km SE of Iquique, Chile · 2231 days ago · 50 km deep · 97 km away · felt by 12
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000bqqp. Read Fri, Oct 2, 2026, 12:44 PM UTC.