M4.2 earthquake 81 km E of Arica, Chile
A magnitude 4.2 earthquake struck 81 km E of Arica, Chile on Fri, Oct 21, 2022, 7:53 AM GMT-3 (10:53 UTC), 133 km (83 mi) below the surface.
A larger quake followed: M4.8 Peru-Bolivia border region. 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
- 2022-10-21 10:53:39 UTC
- Depth
- 133.2 km (82.8 mi), intermediate-depth
- Epicenter
- 18.442° S, 69.527° 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 5.9 km horizontally, 5.0 km in depth
- Magnitude uncertainty
- ±0.12
- Depth from
- From location
- Station coverage gap
- 59°
- Stations used
- 36
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.572 km E of Palca, Peru · 1437 days ago · 155 km deep · 88 km away
- 4.433 km E of Palca, Peru · 1430 days ago · 155 km deep · 70 km away
- 4.354 km SE of Calana, Peru · 1424 days ago · 125 km deep · 34 km away
- 4.041 km E of Arica, Chile · 1417 days ago · 89 km deep · 40 km away
- 4.8Peru-Bolivia border region · 1401 days ago · 159 km deep · 78 km away
- 4.4139 km SE of Arica, Chile · 1395 days ago · 111 km deep · 95 km away
- 4.0Tarapaca, Chile · 1395 days ago · 95 km deep · 83 km away
- 4.18 km SSE of Palca, Peru · 1386 days ago · 116 km deep · 79 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000ivgz. Read Sun, Oct 4, 2026, 7:53 AM UTC.