M4.3 earthquake 88 km WSW of Copiapó, Chile
A magnitude 4.3 earthquake struck 88 km WSW of Copiapó, Chile on Sat, Jun 3, 2017, 8:07 PM GMT-4 (00:07 UTC), 32 km (20 mi) below the surface.
A larger quake followed: M5.3 47 km WNW of Vallenar, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.3 (mwr), light
- Local time
- UTC
- 2017-06-04 00:07:28 UTC
- Depth
- 32.0 km (19.9 mi), shallow
- Epicenter
- 27.777° S, 71.103° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person 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
- 4.3 Mwr
- Nodal plane 1
- Strike 30°, dip 24°, rake 125°
- Nodal plane 2
- Strike 172°, dip 70°, rake 75°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.0 km horizontally, 3.6 km in depth
- Magnitude uncertainty
- ±0.04
- Depth from
- From location
- Station coverage gap
- 100°
- Stations used
- 85
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.2125 km NW of Vallenar, Chile · 3400 days ago · 10 km deep · 58 km away
- 4.3128 km NW of Vallenar, Chile · 3399 days ago · 10 km deep · 63 km away
- 4.2120 km NW of Vallenar, Chile · 3398 days ago · 12 km deep · 50 km away · felt by 2
- 4.242 km WNW of Copiapó, Chile · 3384 days ago · 51 km deep · 65 km away · felt by 2
- 5.347 km WNW of Vallenar, Chile · 3343 days ago · 41 km deep · 81 km away · felt by 6
- 4.350 km WNW of Vallenar, Chile · 3343 days ago · 41 km deep · 78 km away · felt by 3
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20009kjl. Read Sun, Sep 27, 2026, 3:18 PM UTC.