M4.0 earthquake 29 km NNW of La Serena, Chile
A magnitude 4.0 earthquake struck 29 km NNW of La Serena, Chile on Tue, Aug 28, 2018, 11:57 AM GMT-3 (14:57 UTC), 34 km (21 mi) below the surface.
A larger quake followed: M4.6 60 km NNW of La Serena, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (ml), light
- Local time
- UTC
- 2018-08-28 14:57:31 UTC
- Depth
- 34.5 km (21.4 mi), shallow
- Epicenter
- 29.675° S, 71.411° 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 5.4 km horizontally, 12.0 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 180°
- Stations used
- 25
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 5 in the 30 days before it.
After
- 4.092 km SW of Vallenar, Chile · 2949 days ago · 11 km deep · 65 km away
- 4.060 km SW of Coquimbo, Chile · 2949 days ago · 28 km deep · 81 km away
- 4.660 km NNW of La Serena, Chile · 2948 days ago · 45 km deep · 34 km away · felt by 2
- 4.448 km NNE of Vicuña, Chile · 2924 days ago · 97 km deep · 81 km away
- 4.634 km SSW of Coquimbo, Chile · 2922 days ago · 42 km deep · 63 km away
- 4.141 km W of Coquimbo, Chile · 2922 days ago · 23 km deep · 50 km away
- 4.060 km S of Vallenar, Chile · 2901 days ago · 73 km deep · 92 km away
- 4.337 km NW of Coquimbo, Chile · 2896 days ago · 35 km deep · 17 km away
Before
- 5.226 km NNW of La Serena, Chile · 2953 days ago · 35 km deep · 5 km away · felt by 18
- 5.032 km NW of Coquimbo, Chile · 2954 days ago · 55 km deep · 14 km away · felt by 14
- 4.427 km WSW of Coquimbo, Chile · 2964 days ago · 35 km deep · 49 km away
- 4.125 km NNW of La Serena, Chile · 2969 days ago · 45 km deep · 5 km away
- 4.094 km NW of Coquimbo, Chile · 2971 days ago · 10 km deep · 69 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000gixd. Read Mon, Sep 28, 2026, 11:19 AM UTC.