M4.6 earthquake 127 km N of Calama, Chile
A magnitude 4.6 earthquake struck 127 km N of Calama, Chile on Tue, Sep 23, 1986, 11:18 AM GMT-4 (15:18 UTC), 187 km (116 mi) below the surface.
A larger quake followed: M4.7 94 km NE 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
- 1986-09-23 15:18:19 UTC
- Depth
- 186.7 km (116.0 mi), intermediate-depth
- Epicenter
- 21.309° S, 68.950° 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: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.794 km NE of Calama, Chile · 14603 days ago · 127 km deep · 85 km away
- 4.4173 km WSW of Colchani, Bolivia · 14594 days ago · 127 km deep · 66 km away
- 4.2135 km NNE of Calama, Chile · 14590 days ago · 127 km deep · 44 km away
- 4.0118 km NNE of Calama, Chile · 14577 days ago · 129 km deep · 58 km away
- 4.9136 km NNE of Calama, Chile · 14569 days ago · 134 km deep · 74 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002yah. Read Wed, Sep 23, 2026, 5:34 AM UTC.