M4.2 earthquake 18 km W of Ovalle, Chile
A magnitude 4.2 earthquake struck 18 km W of Ovalle, Chile on Mon, Aug 30, 2021, 1:13 AM GMT-4 (05:13 UTC), 69 km (43 mi) below the surface.
A larger quake followed: M4.5 31 km W 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-30 05:13:29 UTC
- Depth
- 69.4 km (43.1 mi), shallow
- Epicenter
- 30.569° S, 71.392° W
- Region
- Chile
- Felt reports
- 6
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
6 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.6 km horizontally, 5.3 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 111°
- Stations used
- 54
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.442 km NW of Coquimbo, Chile · 1859 days ago · 32 km deep · 97 km away
- 4.435 km WSW of Coquimbo, Chile · 1854 days ago · 25 km deep · 68 km away · felt by 1
- 4.255 km WSW of Ovalle, Chile · 1852 days ago · 24 km deep · 39 km away
- 4.263 km W of Coquimbo, Chile · 1846 days ago · 11 km deep · 83 km away
- 4.531 km W of Coquimbo, Chile · 1841 days ago · 20 km deep · 68 km away · felt by 2
- 4.46 km SSW of Coquimbo, Chile · 1833 days ago · 45 km deep · 63 km away · felt by 7
- 4.533 km WSW of Ovalle, Chile · 1832 days ago · 39 km deep · 21 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000f5l9. Read Sat, Oct 3, 2026, 2:07 PM UTC.