M4.2 earthquake 42 km WNW of Copiapó, Chile
A magnitude 4.2 earthquake struck 42 km WNW of Copiapó, Chile on Thu, Jun 22, 2017, 8:43 PM GMT-4 (00:43 UTC), 51 km (31 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.2 (mwr), light
- Local time
- UTC
- 2017-06-23 00:43:40 UTC
- Depth
- 50.6 km (31.5 mi), shallow
- Epicenter
- 27.285° S, 70.748° 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 I, not felt 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
- 4.2 Mwr
- Nodal plane 1
- Strike 5°, dip 74°, rake 107°
- Nodal plane 2
- Strike 138°, dip 23°, rake 45°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 4.8 km horizontally, 6.5 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 126°
- Stations used
- 94
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 us20009p5u. Read Sun, Sep 27, 2026, 7:16 PM UTC.