M4.3 earthquake 42 km WSW of Copiapó, Chile
A magnitude 4.3 earthquake struck 42 km WSW of Copiapó, Chile on Wed, Aug 17, 2016, 9:11 PM GMT-3 (00:11 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M4.6 94 km WSW of Copiapó, 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 (mb), light
- Local time
- UTC
- 2016-08-18 00:11:22 UTC
- Depth
- 55.1 km (34.2 mi), shallow
- Epicenter
- 27.527° S, 70.721° 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.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.5 km horizontally, 5.1 km in depth
- Magnitude uncertainty
- ±0.31
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.694 km WSW of Copiapó, Chile · 3679 days ago · 35 km deep · 53 km away
- 4.192 km NW of Vallenar, Chile · 3653 days ago · 23 km deep · 72 km away
- 4.550 km NW of Vallenar, Chile · 3646 days ago · 52 km deep · 98 km away · felt by 1
- 4.426 km NNE of Vallenar, Chile · 3635 days ago · 99 km deep · 91 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10006el4. Read Thu, Sep 24, 2026, 8:59 AM UTC.