M4.5 earthquake 66 km S of Calama, Chile
A magnitude 4.5 earthquake struck 66 km S of Calama, Chile on Wed, Jan 4, 2023, 12:29 PM GMT-3 (15:29 UTC), 107 km (66 mi) below the surface.
A larger quake followed: M4.6 Antofagasta, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-01-04 15:29:37 UTC
- Depth
- 106.6 km (66.2 mi), intermediate-depth
- Epicenter
- 23.058° S, 68.952° 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 1.9 km horizontally, 5.0 km in depth
- Depth from
- From location
- Station coverage gap
- 81°
- 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: 9 in the 60 days after this one and 7 in the 30 days before it.
After
- 4.425 km WNW of San Pedro de Atacama, Chile · 1368 days ago · 123 km deep · 56 km away
- 4.315 km NNE of Calama, Chile · 1361 days ago · 106 km deep · 83 km away
- 4.6Antofagasta, Chile · 1327 days ago · 125 km deep · 92 km away · felt by 1
- 4.237 km ENE of Calama, Chile · 1324 days ago · 111 km deep · 94 km away
- 4.1108 km S of Calama, Chile · 1322 days ago · 99 km deep · 43 km away
- 4.157 km SW of San Pedro de Atacama, Chile · 1319 days ago · 104 km deep · 34 km away · felt by 1
- 4.312 km SE of Calama, Chile · 1315 days ago · 113 km deep · 59 km away · felt by 1
- 4.132 km N of Calama, Chile · 1313 days ago · 102 km deep · 100 km away
- 4.3Antofagasta, Chile · 1311 days ago · 84 km deep · 58 km away
Before
- 4.868 km S of Calama, Chile · 1372 days ago · 107 km deep · 4 km away · felt by 1
- 5.171 km S of Calama, Chile · 1373 days ago · 96 km deep · 8 km away · felt by 9
- 4.4Antofagasta, Chile · 1379 days ago · 111 km deep · 65 km away
- 4.471 km WSW of San Pedro de Atacama, Chile · 1382 days ago · 10 km deep · 16 km away
- 4.938 km ENE of Calama, Chile · 1385 days ago · 113 km deep · 93 km away · felt by 1
- 4.4Antofagasta, Chile · 1393 days ago · 130 km deep · 100 km away
- 5.620 km SSE of San Pedro de Atacama, Chile · 1394 days ago · 117 km deep · 83 km away · felt by 13
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000j22x. Read Sun, Oct 4, 2026, 10:59 AM UTC.