M4.0 earthquake 33 km WSW of Ovalle, Chile
A magnitude 4.0 earthquake struck 33 km WSW of Ovalle, Chile on Wed, Aug 22, 2018, 4:22 AM GMT-3 (07:22 UTC), 42 km (26 mi) below the surface.
A larger quake followed: M4.6 34 km SSW of Coquimbo, 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 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2018-08-22 07:22:32 UTC
- Depth
- 42.3 km (26.3 mi), shallow
- Epicenter
- 30.689° S, 71.536° 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 6.6 km horizontally, 12.1 km in depth
- Magnitude uncertainty
- ±0.52
- Depth from
- From location
- Station coverage gap
- 89°
- Stations used
- 35
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 4 in the 30 days before it.
After
- 4.2108 km WSW of Ovalle, Chile · 2961 days ago · 18 km deep · 75 km away
- 4.060 km SW of Coquimbo, Chile · 2956 days ago · 28 km deep · 50 km away
- 3.936 km SSW of Ovalle, Chile · 2939 days ago · 47 km deep · 26 km away
- 4.634 km SSW of Coquimbo, Chile · 2929 days ago · 42 km deep · 51 km away
- 4.141 km W of Coquimbo, Chile · 2929 days ago · 23 km deep · 80 km away
- 4.653 km W of Ovalle, Chile · 2920 days ago · 31 km deep · 22 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us1000gf7m. Read Mon, Oct 5, 2026, 2:45 PM UTC.