M4.4 earthquake 108 km WSW of Vallenar, Chile
A magnitude 4.4 earthquake struck 108 km WSW of Vallenar, Chile on Sun, Apr 4, 2021, 12:17 AM GMT-4 (04:17 UTC), 23 km (14 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-04-04 04:17:26 UTC
- Depth
- 23.1 km (14.4 mi), shallow
- Epicenter
- 28.976° S, 71.779° W
- Region
- Chile
- Felt reports
- 4
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
4 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
- Reverse (thrust)
- Moment magnitude
- 4.4 Mwr
- Nodal plane 1
- Strike 356°, dip 37°, rake 73°
- Nodal plane 2
- Strike 196°, dip 55°, rake 102°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.7 km horizontally, 2.5 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 138°
- 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: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.3104 km NNW of La Serena, Chile · 1981 days ago · 34 km deep · 11 km away · felt by 1
- 3.830 km N of La Serena, Chile · 1968 days ago · 36 km deep · 89 km away · felt by 6
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dyv7. Read Sat, Oct 3, 2026, 1:07 AM UTC.