M4.0 earthquake 64 km NNE of Calama, Chile
A magnitude 4.0 earthquake struck 64 km NNE of Calama, Chile on Tue, Sep 22, 2020, 4:30 PM GMT-3 (19:30 UTC), 119 km (74 mi) below the surface.
A larger quake followed: M4.5 90 km NNE 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
- 4.0 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-22 19:30:53 UTC
- Depth
- 118.7 km (73.8 mi), intermediate-depth
- Epicenter
- 21.915° S, 68.688° 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, 6.2 km in depth
- Magnitude uncertainty
- ±0.26
- Depth from
- From location
- Station coverage gap
- 106°
- 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: 8 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.036 km NW of San Pedro de Atacama, Chile · 2201 days ago · 114 km deep · 87 km away
- 4.590 km NNE of Calama, Chile · 2162 days ago · 120 km deep · 27 km away
- 4.3103 km NE of Calama, Chile · 2161 days ago · 126 km deep · 52 km away
- 4.598 km NNE of Calama, Chile · 2159 days ago · 140 km deep · 34 km away
- 4.3134 km N of Calama, Chile · 2147 days ago · 128 km deep · 81 km away
- 4.283 km NNE of Calama, Chile · 2143 days ago · 108 km deep · 19 km away
- 4.172 km NE of Calama, Chile · 2143 days ago · 126 km deep · 19 km away
- 4.4135 km N of Calama, Chile · 2142 days ago · 125 km deep · 78 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000bzrh. Read Fri, Oct 2, 2026, 6:10 PM UTC.