M4.2 earthquake 93 km SSE of Arica, Chile
A magnitude 4.2 earthquake struck 93 km SSE of Arica, Chile on Sat, May 31, 1986, 11:09 AM GMT-4 (15:09 UTC), 96 km (60 mi) below the surface.
A larger quake followed: M4.7 65 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
- 4.2 (mb), light
- Local time
- UTC
- 1986-05-31 15:09:29 UTC
- Depth
- 95.9 km (59.6 mi), intermediate-depth
- Epicenter
- 19.222° S, 69.887° 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 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.765 km ESE of Arica, Chile · 14723 days ago · 141 km deep · 72 km away
- 4.6102 km ESE of Arica, Chile · 14678 days ago · 151 km deep · 66 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002un0. Read Tue, Sep 29, 2026, 6:24 PM UTC.