M4.2 earthquake 43 km NNE of Calama, Chile
A magnitude 4.2 earthquake struck 43 km NNE of Calama, Chile on Sat, Feb 18, 2017, 3:58 PM GMT-3 (18:58 UTC), 105 km (66 mi) below the surface.
A larger quake followed: M5.3 27 km ESE 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
- 4.2 (mb), light
- Local time
- UTC
- 2017-02-18 18:58:19 UTC
- Depth
- 105.5 km (65.5 mi), intermediate-depth
- Epicenter
- 22.120° S, 68.700° 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 6.4 km horizontally, 7.1 km in depth
- Magnitude uncertainty
- ±0.14
- Depth from
- From location
- Station coverage gap
- 33°
- Stations used
- 67
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.252 km SSW of Calama, Chile · 3500 days ago · 105 km deep · 96 km away
- 4.793 km NE of Calama, Chile · 3496 days ago · 108 km deep · 52 km away
- 4.5122 km NNE of Calama, Chile · 3486 days ago · 115 km deep · 79 km away
- 4.225 km WSW of San Pedro de Atacama, Chile · 3483 days ago · 124 km deep · 97 km away
- 5.1108 km NNE of Calama, Chile · 3480 days ago · 125 km deep · 65 km away · felt by 1
- 4.799 km N of Calama, Chile · 3459 days ago · 133 km deep · 66 km away
- 5.327 km ESE of Calama, Chile · 3456 days ago · 106 km deep · 44 km away · felt by 3
- 4.333 km NE of Calama, Chile · 3455 days ago · 128 km deep · 17 km away
- 4.0118 km NNE of Calama, Chile · 3453 days ago · 128 km deep · 75 km away
- 5.096 km NE of Calama, Chile · 3453 days ago · 113 km deep · 53 km away
- 4.019 km NE of Calama, Chile · 3452 days ago · 116 km deep · 25 km away
Before
- 4.278 km NE of Calama, Chile · 3513 days ago · 98 km deep · 37 km away
- 4.3103 km NE of Calama, Chile · 3514 days ago · 134 km deep · 60 km away
- 4.942 km E of Calama, Chile · 3533 days ago · 93 km deep · 44 km away
- 4.0107 km N of Calama, Chile · 3534 days ago · 118 km deep · 75 km away
- 4.3134 km N of Calama, Chile · 3535 days ago · 127 km deep · 97 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20008kph. Read Wed, Sep 30, 2026, 5:09 PM UTC.