M4.1 earthquake 35 km SSW of Calama, Chile
A magnitude 4.1 earthquake struck 35 km SSW of Calama, Chile on Thu, Feb 13, 2020, 7:23 PM GMT-3 (22:23 UTC), 89 km (56 mi) below the surface.
A larger quake followed: M4.6 82 km SW 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 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-02-13 22:23:31 UTC
- Depth
- 89.4 km (55.5 mi), intermediate-depth
- Epicenter
- 22.730° S, 69.097° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Strike-slip
- Moment magnitude
- 4.1 Mwr
- Nodal plane 1
- Strike 69°, dip 63°, rake -11°
- Nodal plane 2
- Strike 164°, dip 80°, rake -153°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.4 km horizontally, 5.3 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 45°
- Stations used
- 49
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 3 in the 30 days before it.
After
- 4.682 km SW of Calama, Chile · 2411 days ago · 76 km deep · 47 km away
- 4.263 km NE of Calama, Chile · 2376 days ago · 114 km deep · 98 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us70007pqi. Read Fri, Oct 2, 2026, 6:48 AM UTC.