M4.4 earthquake 79 km SSW of Calama, Chile
A magnitude 4.4 earthquake struck 79 km SSW of Calama, Chile on Mon, Dec 31, 2018, 4:54 AM GMT-3 (07:54 UTC), 94 km (58 mi) below the surface.
A larger quake followed: M4.5 52 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 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-12-31 07:54:54 UTC
- Depth
- 94.0 km (58.4 mi), intermediate-depth
- Epicenter
- 23.140° S, 69.147° 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 4.6 km horizontally, 3.3 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 54°
- Stations used
- 41
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 4 in the 30 days before it.
After
- 4.222 km SW of Calama, Chile · 2814 days ago · 115 km deep · 59 km away
- 4.172 km SW of Calama, Chile · 2796 days ago · 114 km deep · 26 km away
- 4.246 km SSE of Calama, Chile · 2791 days ago · 104 km deep · 55 km away
- 4.552 km SW of San Pedro de Atacama, Chile · 2785 days ago · 93 km deep · 54 km away
- 4.1101 km ENE of Antofagasta, Chile · 2777 days ago · 103 km deep · 43 km away
Before
- 4.376 km ENE of Antofagasta, Chile · 2841 days ago · 76 km deep · 65 km away
- 4.176 km WSW of San Pedro de Atacama, Chile · 2842 days ago · 106 km deep · 37 km away
- 4.8111 km SSW of Calama, Chile · 2846 days ago · 83 km deep · 34 km away
- 4.190 km SSW of Calama, Chile · 2849 days ago · 94 km deep · 13 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000ized. Read Thu, Oct 1, 2026, 4:49 PM UTC.