M4.2 earthquake 103 km WNW of Coquimbo, Chile
A magnitude 4.2 earthquake struck 103 km WNW of Coquimbo, Chile on Fri, Nov 17, 2017, 9:52 PM GMT-3 (00:52 UTC), 25 km (15 mi) below the surface.
A larger quake followed: M4.4 70 km W of Coquimbo, 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 (mwr), light
- Local time
- UTC
- 2017-11-18 00:52:41 UTC
- Depth
- 24.5 km (15.2 mi), shallow
- Epicenter
- 29.557° S, 72.312° 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
- Oblique reverse
- Moment magnitude
- 4.2 Mwr
- Nodal plane 1
- Strike 150°, dip 43°, rake 43°
- Nodal plane 2
- Strike 26°, dip 63°, rake 124°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.4 km horizontally, 6.4 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 113°
- Stations used
- 71
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.368 km W of Coquimbo, Chile · 3212 days ago · 22 km deep · 44 km away
- 4.470 km W of Coquimbo, Chile · 3212 days ago · 27 km deep · 43 km away
- 4.198 km W of Ovalle, Chile · 3191 days ago · 10 km deep · 99 km away
Before
- 4.552 km NNW of La Serena, Chile · 3243 days ago · 37 km deep · 91 km away · felt by 14
- 4.467 km WSW of Coquimbo, Chile · 3244 days ago · 13 km deep · 69 km away
- 4.2138 km WSW of Coquimbo, Chile · 3252 days ago · 10 km deep · 100 km away
- 4.093 km WSW of Coquimbo, Chile · 3256 days ago · 10 km deep · 89 km away
- 4.3101 km WSW of Coquimbo, Chile · 3259 days ago · 8 km deep · 88 km away · felt by 2
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000bqu0. Read Thu, Sep 24, 2026, 12:23 PM UTC.