M4.1 earthquake 138 km W of Diego de Almagro, Chile
A magnitude 4.1 earthquake struck 138 km W of Diego de Almagro, Chile on Thu, Apr 12, 2018, 5:33 AM GMT-3 (08:33 UTC), 19 km (12 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mwr), light
- Local time
- UTC
- 2018-04-12 08:33:36 UTC
- Depth
- 19.1 km (11.9 mi), shallow
- Epicenter
- 26.488° S, 71.431° W
- Region
- Chile
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
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
- 4.1 Mwr
- Nodal plane 1
- Strike 18°, dip 39°, rake 111°
- Nodal plane 2
- Strike 172°, dip 54°, rake 74°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.1 km horizontally, 5.6 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 189°, poorly surrounded by stations
- Stations used
- 37
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 1 in the 30 days before it.
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us2000dyq8. Read Tue, Sep 29, 2026, 7:51 PM UTC.