M4.2 earthquake 79 km SSW of Arica, Chile
A magnitude 4.2 earthquake struck 79 km SSW of Arica, Chile on Wed, Aug 31, 2022, 4:14 PM GMT-4 (20:14 UTC), 43 km (27 mi) below the surface.
A larger quake followed: M4.4 80 km N of Iquique, 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
- 2022-08-31 20:14:19 UTC
- Depth
- 43.1 km (26.8 mi), shallow
- Epicenter
- 19.107° S, 70.661° 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 5.7 km horizontally, 3.7 km in depth
- Magnitude uncertainty
- ±0.37
- Depth from
- From location
- Station coverage gap
- 159°
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.480 km N of Iquique, Chile · 1467 days ago · 66 km deep · 78 km away · felt by 8
- 4.293 km SSE of Arica, Chile · 1467 days ago · 62 km deep · 76 km away · felt by 2
- 4.050 km NNW of Iquique, Chile · 1451 days ago · 49 km deep · 85 km away · felt by 4
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000i446. Read Sat, Oct 3, 2026, 3:29 PM UTC.