M4.6 earthquake 73 km SE of Arica, Chile
A magnitude 4.6 earthquake struck 73 km SE of Arica, Chile on Mon, Mar 3, 1986, 8:31 AM GMT-3 (11:31 UTC), 114 km (71 mi) below the surface.
A larger quake followed: M5.0 59 km SW 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
- 4.6 (mb), light
- Local time
- UTC
- 1986-03-03 11:31:05 UTC
- Depth
- 113.8 km (70.7 mi), intermediate-depth
- Epicenter
- 18.897° S, 69.762° 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 usp0002rg6. Read Wed, Sep 30, 2026, 8:10 PM UTC.