M4.0 earthquake 82 km SSW of Calama, Chile
A magnitude 4.0 earthquake struck 82 km SSW of Calama, Chile on Thu, Jul 16, 2020, 3:21 PM GMT-4 (19:21 UTC), 84 km (52 mi) below the surface.
A larger quake followed: M4.3 76 km SSW of San Pedro de Atacama, 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 (ML, local (Richter)), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-07-16 19:21:23 UTC
- Depth
- 84.0 km (52.2 mi), intermediate-depth
- Epicenter
- 23.095° S, 69.336° 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 5.6 km horizontally, 6.3 km in depth
- Depth from
- From location
- Station coverage gap
- 95°
- 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: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.259 km SW of San Pedro de Atacama, Chile · 2265 days ago · 114 km deep · 82 km away
- 4.376 km SSW of San Pedro de Atacama, Chile · 2219 days ago · 107 km deep · 87 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000apv8. Read Fri, Oct 2, 2026, 11:24 AM UTC.