M4.6 earthquake 40 km SE of Puente Alto, Chile
A magnitude 4.6 earthquake struck 40 km SE of Puente Alto, Chile on Thu, Apr 8, 2021, 10:02 PM GMT-4 (02:02 UTC), 106 km (66 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-04-09 02:02:10 UTC
- Depth
- 105.7 km (65.7 mi), intermediate-depth
- Epicenter
- 33.865° S, 70.264° W
- Region
- Chile
- Felt reports
- 26
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
26 people reported to the USGS what they felt; the strongest reported shaking was V, moderate shaking.

Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Oblique normal
- Moment magnitude
- 4.6 Mwr
- Nodal plane 1
- Strike 120°, dip 47°, rake -142°
- Nodal plane 2
- Strike 2°, dip 63°, rake -49°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.3 km horizontally, 3.0 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 60°
- Stations used
- 75
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.26 km NNE of Chicureo Abajo, Chile · 1992 days ago · 65 km deep · 79 km away · felt by 6
- 4.636 km ESE of Paine, Chile · 1959 days ago · 104 km deep · 9 km away · felt by 10
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000e06p. Read Sun, Oct 4, 2026, 9:01 PM UTC.