M4.2 earthquake 78 km SSW of Calama, Chile
A magnitude 4.2 earthquake struck 78 km SSW of Calama, Chile on Sat, Nov 18, 2023, 1:07 AM GMT-3 (04:07 UTC), 107 km (66 mi) below the surface.
A larger quake followed: M4.7 14 km SSW 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2023-11-18 04:07:24 UTC
- Depth
- 106.9 km (66.4 mi), intermediate-depth
- Epicenter
- 23.139° S, 69.137° 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 5.0 km horizontally, 4.3 km in depth
- Magnitude uncertainty
- ±0.16
- Depth from
- From location
- Station coverage gap
- 113°
- Stations used
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.647 km S of Calama, Chile · 1047 days ago · 107 km deep · 32 km away
- 4.714 km SSW of San Pedro de Atacama, Chile · 1030 days ago · 135 km deep · 90 km away
- 4.287 km WSW of San Pedro de Atacama, Chile · 992 days ago · 92 km deep · 29 km away
Before
- 4.238 km S of Calama, Chile · 1054 days ago · 103 km deep · 48 km away
- 4.443 km S of San Pedro de Atacama, Chile · 1058 days ago · 96 km deep · 90 km away
- 4.372 km ENE of Antofagasta, Chile · 1060 days ago · 66 km deep · 71 km away
- 4.364 km SW of Calama, Chile · 1078 days ago · 85 km deep · 31 km away
- 4.334 km WNW of San Pedro de Atacama, Chile · 1079 days ago · 121 km deep · 73 km away
- 4.441 km E of Calama, Chile · 1079 days ago · 133 km deep · 96 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000lp9m. Read Sun, Oct 4, 2026, 9:13 AM UTC.