M4.5 earthquake 80 km W of San Antonio, Chile
A magnitude 4.5 earthquake struck 80 km W of San Antonio, Chile on Sat, Oct 10, 2020, 3:48 AM GMT-3 (06:48 UTC), 9 km (6 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2020-10-10 06:48:42 UTC
- Depth
- 9.2 km (5.7 mi), shallow
- Epicenter
- 33.732° S, 72.460° W
- Region
- Chile
- Felt reports
- 2
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
2 people reported to the USGS what they felt; the strongest reported shaking was I, not felt shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique reverse
- Moment magnitude
- 4.5 Mwr
- Nodal plane 1
- Strike 29°, dip 32°, rake 123°
- Nodal plane 2
- Strike 172°, dip 64°, rake 71°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.6 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 175°
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.172 km SW of San Antonio, Chile · 2180 days ago · 20 km deep · 37 km away · felt by 1
- 4.3112 km N of Constitución, Chile · 2147 days ago · 11 km deep · 68 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000c79c. Read Sat, Oct 3, 2026, 3:33 AM UTC.