M4.8 earthquake 106 km SE of Arica, Chile
A magnitude 4.8 earthquake struck 106 km SE of Arica, Chile on Tue, Apr 19, 1983, 10:45 PM GMT-4 (02:45 UTC), 121 km (75 mi) below the surface.
A larger quake followed: M4.9 56 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
- 4.8 (mb), light
- Local time
- UTC
- 1983-04-20 02:45:34 UTC
- Depth
- 121.0 km (75.2 mi), intermediate-depth
- Epicenter
- 19.133° S, 69.566° 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.
- Depth from
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.8 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 usp0001uke. Read Tue, Sep 22, 2026, 8:07 PM UTC.