M4.3 earthquake 137 km NNE of Calama, Chile
A magnitude 4.3 earthquake struck 137 km NNE of Calama, Chile on Sun, Aug 6, 2017, 9:04 PM GMT-4 (01:04 UTC), 128 km (79 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
- 4.3 (mb), light
- Local time
- UTC
- 2017-08-07 01:04:42 UTC
- Depth
- 127.7 km (79.3 mi), intermediate-depth
- Epicenter
- 21.253° S, 68.612° 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 4.3 km horizontally, 6.9 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 53°
- Stations used
- 45
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 7 in the 30 days before it.
After
- 4.0123 km ESE of Iquique, Chile · 3338 days ago · 93 km deep · 75 km away
- 4.4107 km NNE of Calama, Chile · 3336 days ago · 117 km deep · 30 km away
- 4.0161 km NNE of Calama, Chile · 3336 days ago · 136 km deep · 26 km away
- 4.2100 km NNE of Calama, Chile · 3334 days ago · 127 km deep · 48 km away
- 4.1138 km NNE of Calama, Chile · 3329 days ago · 122 km deep · 10 km away
- 4.5132 km N of Calama, Chile · 3320 days ago · 121 km deep · 20 km away
- 4.1153 km N of Calama, Chile · 3314 days ago · 114 km deep · 27 km away
- 4.4130 km ESE of Iquique, Chile · 3311 days ago · 111 km deep · 68 km away
- 3.8124 km ESE of Iquique, Chile · 3298 days ago · 108 km deep · 84 km away
- 4.7131 km NNE of Calama, Chile · 3291 days ago · 116 km deep · 29 km away
Before
- 4.0130 km N of Calama, Chile · 3342 days ago · 123 km deep · 16 km away
- 4.1116 km NNE of Calama, Chile · 3344 days ago · 144 km deep · 28 km away · felt by 1
- 4.280 km NNE of Calama, Chile · 3347 days ago · 120 km deep · 67 km away
- 4.676 km NE of Calama, Chile · 3356 days ago · 114 km deep · 73 km away
- 5.3142 km NE of Tocopilla, Chile · 3358 days ago · 39 km deep · 65 km away · felt by 6
- 3.9121 km NNE of Calama, Chile · 3358 days ago · 146 km deep · 17 km away
- 4.5122 km N of Calama, Chile · 3366 days ago · 127 km deep · 16 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000a5f2. Read Wed, Sep 30, 2026, 11:43 PM UTC.