M4.8 earthquake 40 km WNW of Coquimbo, Chile
A magnitude 4.8 earthquake struck 40 km WNW of Coquimbo, Chile on Mon, Apr 16, 2018, 9:31 AM GMT-3 (12:31 UTC), 36 km (23 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mwr), light
- Local time
- UTC
- 2018-04-16 12:31:35 UTC
- Depth
- 36.5 km (22.6 mi), shallow
- Epicenter
- 29.821° S, 71.734° W
- Region
- Chile
- Felt reports
- 3
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
3 people reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
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
- 4.8 Mwr
- Nodal plane 1
- Strike 8°, dip 36°, rake 100°
- Nodal plane 2
- Strike 176°, dip 55°, rake 83°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.0 km horizontally, 5.0 km in depth
- Magnitude uncertainty
- ±0.03
- Depth from
- From location
- Station coverage gap
- 142°
- Stations used
- 62
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 and up: 5 in the 60 days after this one and 4 in the 30 days before it.
After
- 3.430 km WNW of Coquimbo, Chile · 3086 days ago · 32 km deep · 10 km away · felt by 4
- 4.817 km NNW of Coquimbo, Chile · 3068 days ago · 38 km deep · 30 km away · felt by 13
- 4.3101 km W of Ovalle, Chile · 3060 days ago · 10 km deep · 89 km away
- 4.251 km W of Ovalle, Chile · 3053 days ago · 33 km deep · 90 km away
- 4.340 km SW of Coquimbo, Chile · 3051 days ago · 21 km deep · 50 km away
Before
- 4.183 km W of Ovalle, Chile · 3097 days ago · 24 km deep · 89 km away
- 4.139 km NW of Ovalle, Chile · 3100 days ago · 32 km deep · 62 km away
- 4.776 km WSW of Coquimbo, Chile · 3102 days ago · 10 km deep · 52 km away · felt by 1
- 4.341 km W of Ovalle, Chile · 3103 days ago · 30 km deep · 88 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000e0wq. Read Sun, Sep 27, 2026, 4:42 PM UTC.