M4.0 earthquake 74 km WNW of La Ligua, Chile
A magnitude 4.0 earthquake struck 74 km WNW of La Ligua, Chile on Fri, Mar 26, 2021, 6:08 AM GMT-3 (09:08 UTC), 26 km (16 mi) below the surface.
A larger quake followed: M4.4 33 km SW of Illapel, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-03-26 09:08:32 UTC
- Depth
- 25.7 km (16.0 mi), shallow
- Epicenter
- 32.129° S, 71.928° 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 IV, light 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
- 4.0 Mwr
- Nodal plane 1
- Strike 158°, dip 62°, rake 123°
- Nodal plane 2
- Strike 284°, dip 42°, rake 44°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.2 km horizontally, 5.5 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 101°
- Stations used
- 51
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000dwm5. Read Fri, Oct 2, 2026, 10:28 PM UTC.