M4.1 earthquake 138 km N of Calama, Chile
A magnitude 4.1 earthquake struck 138 km N of Calama, Chile on Thu, Sep 24, 2015, 1:54 AM GMT-3 (04:54 UTC), 114 km (71 mi) below the surface.
A larger quake followed: M4.8 133 km ESE of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 2015-09-24 04:54:31 UTC
- Depth
- 113.8 km (70.7 mi), intermediate-depth
- Epicenter
- 21.220° S, 68.715° 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 4.8 km horizontally, 4.9 km in depth
- Magnitude uncertainty
- ±0.17
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.8133 km ESE of Iquique, Chile · 4022 days ago · 80 km deep · 54 km away · felt by 2
- 4.6155 km ESE of Iquique, Chile · 4021 days ago · 100 km deep · 45 km away
- 4.3Chile-Bolivia border region · 3998 days ago · 125 km deep · 4 km away
- 4.6131 km E of Iquique, Chile · 3992 days ago · 107 km deep · 92 km away · felt by 2
- 4.164 km NNE of Calama, Chile · 3992 days ago · 114 km deep · 77 km away
- 4.1150 km NNE of Calama, Chile · 3975 days ago · 139 km deep · 15 km away
- 4.7151 km NNE of Calama, Chile · 3969 days ago · 131 km deep · 25 km away
- 4.1162 km NNE of Calama, Chile · 3969 days ago · 129 km deep · 25 km away
Before
- 4.4107 km NNE of Calama, Chile · 4030 days ago · 127 km deep · 49 km away
- 4.060 km NNE of Calama, Chile · 4034 days ago · 102 km deep · 87 km away
- 4.291 km NNE of Calama, Chile · 4034 days ago · 138 km deep · 58 km away
- 4.475 km NE of Calama, Chile · 4047 days ago · 120 km deep · 79 km away
- 4.152 km NNE of Calama, Chile · 4047 days ago · 137 km deep · 88 km away
- 4.483 km NNE of Calama, Chile · 4048 days ago · 126 km deep · 64 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20003nkf. Read Tue, Sep 29, 2026, 1:52 PM UTC.