M4.2 earthquake 81 km E of Arica, Chile
A magnitude 4.2 earthquake struck 81 km E of Arica, Chile on Sun, Jan 10, 2021, 12:27 AM GMT-3 (03:27 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M4.8 36 km ESE of Arica, 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 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2021-01-10 03:27:50 UTC
- Depth
- 117.3 km (72.9 mi), intermediate-depth
- Epicenter
- 18.581° S, 69.538° W
- Region
- Chile
- Felt reports
- 1
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
1 person 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 6.1 km horizontally, 5.4 km in depth
- Depth from
- From location
- Station coverage gap
- 70°
- Stations used
- 42
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 1 in the 30 days before it.
After
- 3.198 km E of Arica, Chile · 2076 days ago · 134 km deep · 18 km away
- 4.557 km SSE of Palca, Peru · 2072 days ago · 117 km deep · 43 km away · felt by 1
- 4.836 km ESE of Arica, Chile · 2062 days ago · 96 km deep · 48 km away · felt by 2
- 4.134 km ESE of Palca, Peru · 2051 days ago · 142 km deep · 73 km away · felt by 1
- 4.3102 km ESE of Arica, Chile · 2037 days ago · 144 km deep · 23 km away · felt by 1
- 4.1116 km ESE of Arica, Chile · 2035 days ago · 121 km deep · 55 km away · felt by 1
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000d74n. Read Sat, Oct 3, 2026, 3:29 AM UTC.