M4.6 earthquake 36 km WSW of Illapel, Chile
A magnitude 4.6 earthquake struck 36 km WSW of Illapel, Chile on Tue, Feb 23, 2021, 3:18 AM GMT-3 (06:18 UTC), 40 km (25 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
- 2021-02-23 06:18:51 UTC
- Depth
- 40.0 km (24.8 mi), shallow
- Epicenter
- 31.734° S, 71.534° 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 III, weak shaking.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Moment magnitude
- 4.6 Mwr
- Nodal plane 1
- Strike 349°, dip 33°, rake 88°
- Nodal plane 2
- Strike 171°, dip 57°, rake 91°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.0 km horizontally, 3.3 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 113°
- Stations used
- 109
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.074 km WNW of La Ligua, Chile · 2016 days ago · 26 km deep · 58 km away · felt by 4
- 4.433 km SW of Illapel, Chile · 2009 days ago · 45 km deep · 12 km away · felt by 2
- 4.379 km SW of Ovalle, Chile · 2004 days ago · 21 km deep · 77 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dkbt. Read Fri, Oct 2, 2026, 1:40 PM UTC.