M4.0 earthquake 36 km SSE of Calama, Chile
A magnitude 4.0 earthquake struck 36 km SSE of Calama, Chile on Sat, Jan 2, 2021, 12:30 AM GMT-3 (03:30 UTC), 113 km (70 mi) below the surface.
A larger quake followed: M4.8 45 km E 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
- 4.0 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-01-02 03:30:13 UTC
- Depth
- 113.0 km (70.2 mi), intermediate-depth
- Epicenter
- 22.753° S, 68.759° 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 5.3 km horizontally, 3.0 km in depth
- Depth from
- From location
- Station coverage gap
- 40°
- Stations used
- 30
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.595 km SW of San Pedro de Atacama, Chile · 2099 days ago · 96 km deep · 84 km away
- 4.259 km SSW of San Pedro de Atacama, Chile · 2095 days ago · 109 km deep · 72 km away
- 4.845 km E of Calama, Chile · 2091 days ago · 105 km deep · 41 km away
- 4.361 km NE of Calama, Chile · 2052 days ago · 135 km deep · 85 km away · felt by 1
- 4.336 km ESE of San Pedro de Atacama, Chile · 2043 days ago · 134 km deep · 95 km away · felt by 1
- 4.442 km ENE of Calama, Chile · 2042 days ago · 122 km deep · 49 km away · felt by 1
Before
- 4.587 km SW of San Pedro de Atacama, Chile · 2100 days ago · 112 km deep · 83 km away
- 4.229 km E of Calama, Chile · 2107 days ago · 111 km deep · 38 km away
- 4.249 km NNE of Calama, Chile · 2111 days ago · 118 km deep · 81 km away
- 4.9Antofagasta, Chile · 2112 days ago · 106 km deep · 8 km away · felt by 2
- 4.055 km NNE of Calama, Chile · 2112 days ago · 121 km deep · 84 km away
- 4.120 km SSE of San Pedro de Atacama, Chile · 2118 days ago · 130 km deep · 73 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000d4x8. Read Fri, Oct 2, 2026, 4:02 PM UTC.