M4.6 earthquake 138 km SE of Iquique, Chile
A magnitude 4.6 earthquake struck 138 km SE of Iquique, Chile on Mon, Mar 31, 1986, 7:57 PM GMT-4 (23:57 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M4.8 83 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
- 4.6 (mb), light
- Local time
- UTC
- 1986-03-31 23:57:01 UTC
- Depth
- 117.4 km (72.9 mi), intermediate-depth
- Epicenter
- 21.113° S, 69.221° 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 1.6 and up: 2 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 usp0002sha. Read Mon, Sep 28, 2026, 6:13 AM UTC.