M4.4 earthquake 82 km SSW of Calama, Chile
A magnitude 4.4 earthquake struck 82 km SSW of Calama, Chile on Mon, Oct 12, 2020, 9:30 PM GMT-3 (00:30 UTC), 97 km (60 mi) below the surface.
A larger quake followed: M4.6 50 km SW 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
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-10-13 00:30:01 UTC
- Depth
- 96.7 km (60.1 mi), intermediate-depth
- Epicenter
- 23.106° S, 69.315° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Moment magnitude
- 4.4 Mwr
- Nodal plane 1
- Strike 352°, dip 74°, rake -98°
- Nodal plane 2
- Strike 199°, dip 18°, rake -64°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.3 km horizontally, 4.6 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 74°
- Stations used
- 76
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.650 km SW of San Pedro de Atacama, Chile · 2168 days ago · 118 km deep · 81 km away
- 4.459 km SSW of San Pedro de Atacama, Chile · 2168 days ago · 111 km deep · 87 km away
- 4.1119 km E of Antofagasta, Chile · 2161 days ago · 99 km deep · 70 km away
- 4.276 km N of Antofagasta, Chile · 2158 days ago · 46 km deep · 97 km away
- 4.224 km E of Calama, Chile · 2139 days ago · 114 km deep · 96 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c7w7. Read Sat, Oct 3, 2026, 2:27 AM UTC.