M4.4 earthquake 34 km ENE of Calama, Chile
A magnitude 4.4 earthquake struck 34 km ENE of Calama, Chile on Mon, Dec 9, 2019, 8:45 PM GMT-3 (23:45 UTC), 112 km (70 mi) below the surface.
A larger quake followed: M5.0 104 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
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2019-12-09 23:45:04 UTC
- Depth
- 111.9 km (69.5 mi), intermediate-depth
- Epicenter
- 22.308° S, 68.626° 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
- Normal
- Moment magnitude
- 4.4 Mwr
- Nodal plane 1
- Strike 359°, dip 46°, rake -88°
- Nodal plane 2
- Strike 176°, dip 44°, rake -92°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.8 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 34°
- Stations used
- 66
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.585 km NNE of Calama, Chile · 2479 days ago · 119 km deep · 58 km away
- 4.152 km NNE of Calama, Chile · 2479 days ago · 122 km deep · 34 km away
- 4.181 km NE of Calama, Chile · 2473 days ago · 133 km deep · 51 km away
- 4.5Antofagasta, Chile · 2472 days ago · 101 km deep · 90 km away
- 4.315 km NNE of Calama, Chile · 2468 days ago · 117 km deep · 23 km away · felt by 1
- 4.1Chile-Bolivia border region · 2458 days ago · 131 km deep · 47 km away
- 4.595 km NNE of Calama, Chile · 2458 days ago · 118 km deep · 70 km away
- 4.069 km NNE of Calama, Chile · 2455 days ago · 119 km deep · 46 km away
- 5.0104 km NE of Calama, Chile · 2453 days ago · 109 km deep · 73 km away · felt by 17
- 4.245 km SSE of Calama, Chile · 2443 days ago · 116 km deep · 57 km away
- 4.63 km NW of San Pedro de Atacama, Chile · 2431 days ago · 130 km deep · 76 km away
- 4.447 km SSE of Calama, Chile · 2429 days ago · 124 km deep · 64 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us60006ply. Read Fri, Oct 2, 2026, 4:14 AM UTC.