M4.4 earthquake 39 km S of Calama, Chile
A magnitude 4.4 earthquake struck 39 km S of Calama, Chile on Sat, Jun 17, 2017, 11:35 AM GMT-4 (15:35 UTC), 102 km (63 mi) below the surface.
A larger quake followed: M4.7 22 km SE 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
- 4.4 (mwr), light
- Local time
- UTC
- 2017-06-17 15:35:59 UTC
- Depth
- 101.8 km (63.2 mi), intermediate-depth
- Epicenter
- 22.814° S, 68.897° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.4 Mwr
- Nodal plane 1
- Strike 184°, dip 85°, rake 112°
- Nodal plane 2
- Strike 287°, dip 23°, rake 14°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.4 km horizontally, 5.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 41°
- Stations used
- 42
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 4 in the 30 days before it.
After
- 4.158 km NNE of Calama, Chile · 3386 days ago · 128 km deep · 96 km away
- 4.615 km NE of Calama, Chile · 3384 days ago · 101 km deep · 51 km away · felt by 2
- 4.344 km E of Calama, Chile · 3373 days ago · 141 km deep · 57 km away
- 4.560 km ENE of Calama, Chile · 3368 days ago · 144 km deep · 78 km away
- 4.339 km SSW of Calama, Chile · 3355 days ago · 85 km deep · 24 km away
- 4.212 km N of Calama, Chile · 3349 days ago · 115 km deep · 52 km away
- 4.722 km SE of Calama, Chile · 3337 days ago · 98 km deep · 27 km away
Before
- 4.218 km SSE of Calama, Chile · 3401 days ago · 134 km deep · 23 km away · felt by 1
- 5.340 km W of San Pedro de Atacama, Chile · 3403 days ago · 93 km deep · 34 km away · felt by 8
- 4.933 km NW of San Pedro de Atacama, Chile · 3409 days ago · 116 km deep · 45 km away · felt by 1
- 4.276 km S of Calama, Chile · 3418 days ago · 104 km deep · 37 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009na5. Read Wed, Sep 30, 2026, 8:33 PM UTC.