M4.2 earthquake 40 km ESE of Arica, Chile
A magnitude 4.2 earthquake struck 40 km ESE of Arica, Chile on Sat, Sep 23, 2023, 9:54 AM GMT-3 (12:54 UTC), 84 km (52 mi) below the surface.
A larger quake followed: M4.8 13 km NNE of Camiña, 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
- 2023-09-23 12:54:26 UTC
- Depth
- 84.0 km (52.2 mi), intermediate-depth
- Epicenter
- 18.652° S, 69.961° 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 5.1 km horizontally, 4.6 km in depth
- Magnitude uncertainty
- ±0.15
- Depth from
- From location
- Station coverage gap
- 120°
- Stations used
- 21
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 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us7000kxmt. Read Sun, Oct 4, 2026, 2:58 AM UTC.