M4.1 earthquake 144 km NNE of Calama, Chile
A magnitude 4.1 earthquake struck 144 km NNE of Calama, Chile on Mon, Jul 20, 2020, 2:19 AM GMT-4 (06:19 UTC), 132 km (82 mi) below the surface.
A larger quake followed: M4.6 136 km ESE 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
- 2020-07-20 06:19:06 UTC
- Depth
- 132.3 km (82.2 mi), intermediate-depth
- Epicenter
- 21.195° S, 68.548° 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 8.2 km horizontally, 7.3 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 85°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 14 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.174 km NNE of Calama, Chile · 2264 days ago · 127 km deep · 76 km away
- 4.166 km NNE of Calama, Chile · 2264 days ago · 128 km deep · 82 km away
- 4.3119 km N of Calama, Chile · 2263 days ago · 103 km deep · 30 km away
- 4.072 km NNE of Calama, Chile · 2263 days ago · 125 km deep · 73 km away
- 4.1158 km ESE of Iquique, Chile · 2261 days ago · 108 km deep · 42 km away
- 4.061 km NNE of Calama, Chile · 2255 days ago · 121 km deep · 84 km away
- 4.1144 km ESE of Iquique, Chile · 2255 days ago · 118 km deep · 56 km away
- 4.3128 km N of Calama, Chile · 2252 days ago · 138 km deep · 22 km away
- 4.5136 km ESE of Iquique, Chile · 2251 days ago · 98 km deep · 86 km away · felt by 15
- 4.1149 km NNE of Calama, Chile · 2246 days ago · 156 km deep · 7 km away
- 4.251 km NNE of Calama, Chile · 2227 days ago · 120 km deep · 96 km away
- 4.395 km NNE of Calama, Chile · 2212 days ago · 122 km deep · 57 km away
- 4.6136 km ESE of Iquique, Chile · 2212 days ago · 124 km deep · 63 km away · felt by 1
- 4.2127 km ESE of Iquique, Chile · 2210 days ago · 120 km deep · 72 km away · felt by 3
Before
- 4.0167 km ESE of Iquique, Chile · 2271 days ago · 122 km deep · 34 km away
- 4.2148 km N of Calama, Chile · 2272 days ago · 117 km deep · 35 km away
- 4.1117 km SE of Iquique, Chile · 2275 days ago · 60 km deep · 88 km away · felt by 2
- 4.383 km NNE of Calama, Chile · 2287 days ago · 124 km deep · 69 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000b3hu. Read Fri, Oct 2, 2026, 6:46 AM UTC.