M4.5 earthquake 132 km N of Calama, Chile
A magnitude 4.5 earthquake struck 132 km N of Calama, Chile on Mon, Aug 28, 2017, 11:21 AM GMT-3 (14:21 UTC), 121 km (75 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
- 4.5 (mb), light
- Local time
- UTC
- 2017-08-28 14:21:53 UTC
- Depth
- 120.6 km (75.0 mi), intermediate-depth
- Epicenter
- 21.263° S, 68.804° 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 4.0 km horizontally, 6.6 km in depth
- Magnitude uncertainty
- ±0.27
- Depth from
- From location
- Station coverage gap
- 70°
- Stations used
- 29
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 9 in the 30 days before it.
After
- 4.1153 km N of Calama, Chile · 3314 days ago · 114 km deep · 21 km away
- 4.4130 km ESE of Iquique, Chile · 3310 days ago · 111 km deep · 55 km away
- 3.8124 km ESE of Iquique, Chile · 3298 days ago · 108 km deep · 77 km away
- 4.7131 km NNE of Calama, Chile · 3291 days ago · 116 km deep · 46 km away
- 4.2128 km E of Iquique, Chile · 3279 days ago · 102 km deep · 94 km away
- 4.7139 km N of Calama, Chile · 3279 days ago · 123 km deep · 8 km away
- 4.4155 km N of Calama, Chile · 3273 days ago · 120 km deep · 23 km away
Before
- 4.1138 km NNE of Calama, Chile · 3329 days ago · 122 km deep · 30 km away
- 4.2100 km NNE of Calama, Chile · 3334 days ago · 127 km deep · 57 km away
- 4.0161 km NNE of Calama, Chile · 3336 days ago · 136 km deep · 41 km away
- 4.4107 km NNE of Calama, Chile · 3336 days ago · 117 km deep · 32 km away
- 4.0123 km ESE of Iquique, Chile · 3338 days ago · 93 km deep · 63 km away
- 4.3137 km NNE of Calama, Chile · 3342 days ago · 128 km deep · 20 km away
- 4.0130 km N of Calama, Chile · 3342 days ago · 123 km deep · 5 km away
- 4.1116 km NNE of Calama, Chile · 3344 days ago · 144 km deep · 40 km away · felt by 1
- 4.280 km NNE of Calama, Chile · 3347 days ago · 120 km deep · 73 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000achk. Read Wed, Sep 30, 2026, 7:24 PM UTC.