M4.5 earthquake 8 km WNW of Buin, Chile
A magnitude 4.5 earthquake struck 8 km WNW of Buin, Chile on Tue, Sep 29, 2020, 11:24 AM GMT-3 (14:24 UTC), 85 km (53 mi) below the surface.
A larger quake followed: M4.6 24 km ESE of Puente Alto, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-09-29 14:24:31 UTC
- Depth
- 85.3 km (53.0 mi), intermediate-depth
- Epicenter
- 33.700° S, 70.828° W
- Region
- Chile
- Felt reports
- 17
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
17 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.9 km horizontally, 4.5 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 41°
- Stations used
- 45
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 1 in the 30 days before it.
After
- 4.23 km SE of Lampa, Chile · 2187 days ago · 79 km deep · 43 km away · felt by 2
- 3.215 km E of Puente Alto, Chile · 2153 days ago · 10 km deep · 41 km away · felt by 3
- 4.624 km ESE of Puente Alto, Chile · 2141 days ago · 111 km deep · 46 km away · felt by 15
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c2lq. Read Sun, Oct 4, 2026, 11:44 PM UTC.