M4.3 earthquake 49 km WNW of La Ligua, Chile
A magnitude 4.3 earthquake struck 49 km WNW of La Ligua, Chile on Fri, Aug 17, 2018, 10:40 PM GMT-3 (01:40 UTC), 53 km (33 mi) below the surface.
A larger quake followed: M4.6 6 km N of La Ligua, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-08-18 01:40:48 UTC
- Depth
- 53.0 km (33.0 mi), shallow
- Epicenter
- 32.232° S, 71.694° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person reported to the USGS what they felt; the strongest reported shaking was II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.7 km horizontally, 7.7 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- From location
- Station coverage gap
- 107°
- Stations used
- 52
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.66 km N of La Ligua, Chile · 2955 days ago · 48 km deep · 47 km away · felt by 56
- 4.6102 km W of Illapel, Chile · 2948 days ago · 11 km deep · 74 km away
- 4.080 km W of Illapel, Chile · 2942 days ago · 35 km deep · 84 km away
- 4.536 km WSW of La Ligua, Chile · 2940 days ago · 32 km deep · 36 km away · felt by 6
- 4.137 km WSW of La Ligua, Chile · 2940 days ago · 21 km deep · 38 km away
- 4.054 km W of La Ligua, Chile · 2926 days ago · 21 km deep · 34 km away · felt by 1
Before
- 3.122 km NW of Valparaíso, Chile · 2971 days ago · 28 km deep · 71 km away · felt by 3
- 4.366 km NNW of Valparaíso, Chile · 2987 days ago · 16 km deep · 38 km away
- 4.144 km WNW of Illapel, Chile · 2989 days ago · 46 km deep · 91 km away
- 3.745 km W of Valparaíso, Chile · 2995 days ago · 22 km deep · 93 km away · felt by 1
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000gc27. Read Fri, Oct 2, 2026, 6:00 PM UTC.