M4.7 earthquake 149 km SE of Iquique, Chile
A magnitude 4.7 earthquake struck 149 km SE of Iquique, Chile on Tue, Apr 26, 1983, 1:32 AM GMT-4 (05:32 UTC), 139 km (86 mi) below the surface.
A larger quake followed: M5.0 138 km NNE of Calama, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1983-04-26 05:32:23 UTC
- Depth
- 138.8 km (86.2 mi), intermediate-depth
- Epicenter
- 21.069° S, 69.041° 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
- FROM_LOCATION
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.5138 km NNE of Calama, Chile · 15811 days ago · 111 km deep · 52 km away
- 5.0138 km NNE of Calama, Chile · 15810 days ago · 111 km deep · 55 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001usn. Read Tue, Sep 22, 2026, 2:42 AM UTC.