M4.1 earthquake 37 km WSW of La Ligua, Chile
A magnitude 4.1 earthquake struck 37 km WSW of La Ligua, Chile on Fri, Sep 14, 2018, 3:46 PM GMT-3 (18:46 UTC), 21 km (13 mi) below the surface.
A larger quake followed: M4.2 55 km W of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 2018-09-14 18:46:51 UTC
- Depth
- 21.3 km (13.2 mi), shallow
- Epicenter
- 32.563° S, 71.607° 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 2.5 km horizontally, 9.0 km in depth
- Magnitude uncertainty
- ±0.52
- Depth from
- From location
- Station coverage gap
- 168°
- Stations used
- 49
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 4 in the 30 days before it.
After
- 4.054 km W of La Ligua, Chile · 2920 days ago · 21 km deep · 19 km away · felt by 1
- 4.255 km W of Valparaíso, Chile · 2898 days ago · 9 km deep · 81 km away
- 4.121 km NW of Hacienda La Calera, Chile · 2898 days ago · 40 km deep · 24 km away · felt by 1
Before
- 4.536 km WSW of La Ligua, Chile · 2935 days ago · 32 km deep · 2 km away · felt by 6
- 4.66 km N of La Ligua, Chile · 2950 days ago · 48 km deep · 40 km away · felt by 56
- 4.447 km W of Valparaíso, Chile · 2956 days ago · 18 km deep · 77 km away · felt by 3
- 4.349 km WNW of La Ligua, Chile · 2963 days ago · 53 km deep · 38 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000herf. Read Sun, Sep 27, 2026, 3:18 PM UTC.