M4.7 earthquake 25 km N of Arica, Chile
A magnitude 4.7 earthquake struck 25 km N of Arica, Chile on Sat, Aug 21, 2021, 6:07 PM GMT-4 (22:07 UTC), 84 km (52 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-08-21 22:07:50 UTC
- Depth
- 83.5 km (51.9 mi), intermediate-depth
- Epicenter
- 18.248° S, 70.287° 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 II, weak shaking.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 3.8 km horizontally, 3.1 km in depth
- Magnitude uncertainty
- ±0.08
- Depth from
- From location
- Station coverage gap
- 119°
- Stations used
- 70
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 3 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.317 km WNW of Palca, Peru · 1866 days ago · 102 km deep · 64 km away · felt by 1
- 4.340 km ENE of Palca, Peru · 1858 days ago · 162 km deep · 97 km away
- 4.440 km SE of Calana, Peru · 1849 days ago · 97 km deep · 40 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000f9ff. Read Sat, Oct 3, 2026, 3:28 AM UTC.