M4.5 earthquake 85 km SE of Arica, Chile
A magnitude 4.5 earthquake struck 85 km SE of Arica, Chile on Wed, Dec 28, 2022, 10:57 AM GMT-3 (13:57 UTC), 93 km (58 mi) below the surface.
A larger quake followed: M5.1 154 km SSW of Curahuara de Carangas, Bolivia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (Mwr, regional moment), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2022-12-28 13:57:39 UTC
- Depth
- 93.5 km (58.1 mi), intermediate-depth
- Epicenter
- 19.014° S, 69.713° 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.
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Normal
- Moment magnitude
- 4.5 Mwr
- Nodal plane 1
- Strike 336°, dip 73°, rake -108°
- Nodal plane 2
- Strike 204°, dip 25°, rake -45°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 5.0 km horizontally, 5.3 km in depth
- Magnitude uncertainty
- ±0.09
- Depth from
- From location
- Station coverage gap
- 106°
- Stations used
- 75
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.132 km NE of Arica, Chile · 1371 days ago · 85 km deep · 89 km away
- 5.1154 km SSW of Curahuara de Carangas, Bolivia · 1369 days ago · 126 km deep · 80 km away · felt by 3
- 4.595 km SE of Palca, Peru · 1361 days ago · 133 km deep · 76 km away
- 4.3111 km ENE of Iquique, Chile · 1346 days ago · 119 km deep · 92 km away · felt by 2
- 4.7119 km ESE of Arica, Chile · 1342 days ago · 123 km deep · 40 km away · felt by 1
- 4.2Tarapaca, Chile · 1342 days ago · 111 km deep · 24 km away
- 4.673 km SE of Arica, Chile · 1339 days ago · 101 km deep · 17 km away · felt by 3
- 4.097 km ENE of Iquique, Chile · 1339 days ago · 92 km deep · 88 km away · felt by 2
- 4.4Tarapaca, Chile · 1332 days ago · 126 km deep · 51 km away
- 4.19 km N of Cuya, Chile · 1322 days ago · 64 km deep · 48 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000j0md. Read Sun, Oct 4, 2026, 8:40 PM UTC.