M4.1 earthquake 57 km W of La Ligua, Chile
A magnitude 4.1 earthquake struck 57 km W of La Ligua, Chile on Mon, Aug 17, 2020, 11:04 PM GMT-4 (03:04 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M4.8 40 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-08-18 03:04:34 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 32.371° S, 71.834° 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 3.8 km horizontally, 1.8 km in depth
- Magnitude uncertainty
- ±0.18
- Depth from
- Operator assigned
- Station coverage gap
- 134°
- Stations used
- 54
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 3 in the 30 days before it.
After
- 4.150 km WSW of Illapel, Chile · 2216 days ago · 62 km deep · 63 km away
- 4.360 km WNW of Illapel, Chile · 2207 days ago · 56 km deep · 99 km away · felt by 1
- 4.3114 km W of Illapel, Chile · 2201 days ago · 11 km deep · 81 km away
- 4.840 km W of Valparaíso, Chile · 2195 days ago · 18 km deep · 74 km away · felt by 12
- 4.259 km WNW of La Ligua, Chile · 2187 days ago · 19 km deep · 11 km away
- 4.436 km NNW of Viña del Mar, Chile · 2185 days ago · 34 km deep · 42 km away · felt by 15
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000bgcv. Read Fri, Oct 2, 2026, 10:14 AM UTC.