M4.1 earthquake 116 km NNE of Calama, Chile
A magnitude 4.1 earthquake struck 116 km NNE of Calama, Chile on Fri, Aug 4, 2017, 10:07 AM GMT-4 (14:07 UTC), 144 km (89 mi) below the surface.
A larger quake followed: M4.7 131 km NNE 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
- 4.1 (mb), light
- Local time
- UTC
- 2017-08-04 14:07:24 UTC
- Depth
- 143.8 km (89.4 mi), intermediate-depth
- Epicenter
- 21.484° S, 68.504° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 7.4 km horizontally, 9.1 km in depth
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
- Station coverage gap
- 37°
- Stations used
- 33
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 6 in the 30 days before it.
After
- 4.0130 km N of Calama, Chile · 3342 days ago · 123 km deep · 35 km away
- 4.3137 km NNE of Calama, Chile · 3342 days ago · 128 km deep · 28 km away
- 4.4107 km NNE of Calama, Chile · 3336 days ago · 117 km deep · 17 km away
- 4.0161 km NNE of Calama, Chile · 3336 days ago · 136 km deep · 47 km away
- 4.2100 km NNE of Calama, Chile · 3334 days ago · 127 km deep · 20 km away
- 4.1138 km NNE of Calama, Chile · 3329 days ago · 122 km deep · 24 km away
- 4.5132 km N of Calama, Chile · 3320 days ago · 121 km deep · 40 km away
- 4.338 km NE of Calama, Chile · 3316 days ago · 131 km deep · 85 km away
- 4.1153 km N of Calama, Chile · 3314 days ago · 114 km deep · 54 km away
- 4.4130 km ESE of Iquique, Chile · 3311 days ago · 111 km deep · 94 km away
- 4.7131 km NNE of Calama, Chile · 3291 days ago · 116 km deep · 17 km away
- 4.4129 km SW of Uyuni, Bolivia · 3290 days ago · 224 km deep · 97 km away
- 4.433 km NE of Calama, Chile · 3285 days ago · 107 km deep · 86 km away
Before
- 4.280 km NNE of Calama, Chile · 3347 days ago · 120 km deep · 41 km away
- 4.676 km NE of Calama, Chile · 3356 days ago · 114 km deep · 47 km away
- 5.3142 km NE of Tocopilla, Chile · 3358 days ago · 39 km deep · 83 km away · felt by 6
- 3.9121 km NNE of Calama, Chile · 3358 days ago · 146 km deep · 22 km away
- 4.5122 km N of Calama, Chile · 3366 days ago · 127 km deep · 23 km away
- 4.560 km ENE of Calama, Chile · 3368 days ago · 144 km deep · 95 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a4i0. Read Wed, Sep 30, 2026, 8:33 PM UTC.