M4.2 earthquake 21 km W of Calama, Chile
A magnitude 4.2 earthquake struck 21 km W of Calama, Chile on Wed, Aug 30, 2023, 12:35 PM GMT-4 (16:35 UTC), 88 km (55 mi) below the surface.
A larger quake followed: M4.5 74 km SSW of Ollagüe, 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
- 2023-08-30 16:35:37 UTC
- Depth
- 88.5 km (55.0 mi), intermediate-depth
- Epicenter
- 22.434° S, 69.135° 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 5.5 km horizontally, 6.3 km in depth
- Magnitude uncertainty
- ±0.19
- Depth from
- From location
- Station coverage gap
- 119°
- Stations used
- 17
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.373 km NNE of Calama, Chile · 1116 days ago · 124 km deep · 86 km away
- 4.4Antofagasta, Chile · 1108 days ago · 122 km deep · 53 km away
- 4.574 km SSW of Ollagüe, Chile · 1098 days ago · 122 km deep · 93 km away
- 4.164 km NNE of Calama, Chile · 1091 days ago · 99 km deep · 75 km away
- 4.375 km NNE of Calama, Chile · 1083 days ago · 136 km deep · 85 km away
- 4.441 km E of Calama, Chile · 1079 days ago · 133 km deep · 64 km away
- 4.334 km WNW of San Pedro de Atacama, Chile · 1079 days ago · 121 km deep · 76 km away
- 4.364 km SW of Calama, Chile · 1078 days ago · 85 km deep · 56 km away
- 4.476 km SW of Ollagüe, Chile · 1073 days ago · 134 km deep · 85 km away
- 4.446 km ENE of Tocopilla, Chile · 1072 days ago · 71 km deep · 89 km away · felt by 1
Before
- 4.142 km NE of Calama, Chile · 1157 days ago · 127 km deep · 59 km away
- 4.124 km E of Tocopilla, Chile · 1159 days ago · 73 km deep · 92 km away
- 4.356 km NNE of Calama, Chile · 1159 days ago · 132 km deep · 67 km away
- 4.217 km NW of Calama, Chile · 1159 days ago · 128 km deep · 15 km away
- 4.5Antofagasta, Chile · 1161 days ago · 115 km deep · 52 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000ks53. Read Sun, Oct 4, 2026, 9:30 AM UTC.