M3.4 earthquake 30 km WNW of Coquimbo, Chile
A magnitude 3.4 earthquake struck 30 km WNW of Coquimbo, Chile on Mon, Apr 16, 2018, 9:56 AM GMT-3 (12:56 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M4.8 17 km NNW 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
- 3.4 (ml), minor
- Local time
- UTC
- 2018-04-16 12:56:28 UTC
- Depth
- 32.1 km (20.0 mi), shallow
- Epicenter
- 29.869° S, 71.640° W
- Region
- Chile
- Felt reports
- 4
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
4 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.5 km horizontally, 10.4 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 188°, poorly surrounded by stations
- Stations used
- 28
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 5 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.711 km WSW of Ovalle, Chile · 3075 days ago · 56 km deep · 92 km away · felt by 6
- 4.817 km NNW of Coquimbo, Chile · 3066 days ago · 38 km deep · 22 km away · felt by 13
- 4.3101 km W of Ovalle, Chile · 3058 days ago · 10 km deep · 90 km away
- 4.251 km W of Ovalle, Chile · 3051 days ago · 33 km deep · 85 km away
- 4.340 km SW of Coquimbo, Chile · 3050 days ago · 21 km deep · 43 km away
Before
- 4.840 km WNW of Coquimbo, Chile · 3085 days ago · 36 km deep · 10 km away · felt by 3
- 4.183 km W of Ovalle, Chile · 3096 days ago · 24 km deep · 88 km away
- 4.139 km NW of Ovalle, Chile · 3099 days ago · 32 km deep · 53 km away
- 4.776 km WSW of Coquimbo, Chile · 3100 days ago · 10 km deep · 55 km away · felt by 1
- 4.341 km W of Ovalle, Chile · 3102 days ago · 30 km deep · 82 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000e16u. Read Sat, Sep 26, 2026, 6:42 AM UTC.