M4.2 earthquake 76 km S of Calama, Chile
A magnitude 4.2 earthquake struck 76 km S of Calama, Chile on Mon, May 22, 2017, 10:23 AM GMT-4 (14:23 UTC), 104 km (64 mi) below the surface.
A larger quake followed: M5.3 40 km W of San Pedro de Atacama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2017-05-22 14:23:08 UTC
- Depth
- 103.7 km (64.5 mi), intermediate-depth
- Epicenter
- 23.142° S, 68.975° 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 4.4 km horizontally, 5.4 km in depth
- Magnitude uncertainty
- ±0.17
- Depth from
- From location
- Station coverage gap
- 84°
- Stations used
- 31
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 0 in the 30 days before it.
After
- 4.933 km NW of San Pedro de Atacama, Chile · 3410 days ago · 116 km deep · 69 km away · felt by 1
- 5.340 km W of San Pedro de Atacama, Chile · 3404 days ago · 93 km deep · 45 km away · felt by 8
- 4.218 km SSE of Calama, Chile · 3401 days ago · 134 km deep · 60 km away · felt by 1
- 4.439 km S of Calama, Chile · 3393 days ago · 102 km deep · 37 km away
- 4.615 km NE of Calama, Chile · 3385 days ago · 101 km deep · 88 km away · felt by 2
- 4.344 km E of Calama, Chile · 3373 days ago · 141 km deep · 90 km away
- 5.2128 km E of Antofagasta, Chile · 3360 days ago · 91 km deep · 83 km away · felt by 7
- 3.653 km SSE of San Pedro de Atacama, Chile · 3360 days ago · 124 km deep · 95 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10008u4x. Read Thu, Oct 1, 2026, 10:39 AM UTC.