M4.6 earthquake 33 km ESE of Calama, Chile
A magnitude 4.6 earthquake struck 33 km ESE of Calama, Chile on Tue, Apr 1, 1986, 7:45 AM GMT-4 (11:45 UTC), 123 km (77 mi) below the surface.
A larger quake followed: M5.1 43 km NW of San Pedro de Atacama, 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
- 1986-04-01 11:45:20 UTC
- Depth
- 123.2 km (76.6 mi), intermediate-depth
- Epicenter
- 22.587° S, 68.628° 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: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.699 km WSW of San Pedro de Atacama, Chile · 14779 days ago · 86 km deep · 96 km away
- 5.143 km NW of San Pedro de Atacama, Chile · 14772 days ago · 118 km deep · 14 km away
- 4.024 km WNW of Calama, Chile · 14749 days ago · 126 km deep · 58 km away
- 4.883 km NNE of Calama, Chile · 14731 days ago · 126 km deep · 91 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002shv. Read Sun, Sep 27, 2026, 1:42 PM UTC.