M4.1 earthquake 74 km NNE of Calama, Chile
A magnitude 4.1 earthquake struck 74 km NNE of Calama, Chile on Mon, Jul 20, 2020, 3:30 PM GMT-4 (19:30 UTC), 127 km (79 mi) below the surface.
A larger quake followed: M4.9 46 km NE of Calama, 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 19:30:07 UTC
- Depth
- 127.3 km (79.1 mi), intermediate-depth
- Epicenter
- 21.877° S, 68.567° 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 6.6 km horizontally, 7.2 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 64°
- Stations used
- 25
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.166 km NNE of Calama, Chile · 2264 days ago · 128 km deep · 7 km away
- 4.946 km NE of Calama, Chile · 2264 days ago · 122 km deep · 36 km away
- 4.3119 km N of Calama, Chile · 2264 days ago · 103 km deep · 57 km away
- 4.072 km NNE of Calama, Chile · 2263 days ago · 125 km deep · 17 km away
- 4.061 km NNE of Calama, Chile · 2255 days ago · 121 km deep · 25 km away
- 4.3128 km N of Calama, Chile · 2252 days ago · 138 km deep · 65 km away
- 4.1149 km NNE of Calama, Chile · 2246 days ago · 156 km deep · 82 km away
- 4.251 km NNE of Calama, Chile · 2227 days ago · 120 km deep · 23 km away
- 4.395 km NNE of Calama, Chile · 2213 days ago · 122 km deep · 21 km away
Before
- 4.1144 km NNE of Calama, Chile · 2265 days ago · 132 km deep · 76 km away
- 4.2148 km N of Calama, Chile · 2272 days ago · 117 km deep · 91 km away
- 4.383 km NNE of Calama, Chile · 2287 days ago · 124 km deep · 10 km away
- 4.225 km N of San Pedro de Atacama, Chile · 2293 days ago · 127 km deep · 96 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000aruh. Read Fri, Oct 2, 2026, 9:45 AM UTC.