Chile earthquakes

M4.7 earthquake 94 km NE of Calama, Chile

A magnitude 4.7 earthquake struck 94 km NE of Calama, Chile on Tue, Sep 30, 1986, 12:07 PM GMT-4 (16:07 UTC), 127 km (79 mi) below the surface.

A larger quake followed: M4.9 136 km NNE of Calama, Chile. This one was a foreshock.

Calama forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.7 (mb), light
Local time
UTC
1986-09-30 16:07:35 UTC
Depth
126.5 km (78.6 mi), intermediate-depth
Epicenter
21.812° S, 68.330° 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 1.7 and up: 5 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 4.4173 km WSW of Colchani, Bolivia · 14599 days ago · 127 km deep · 97 km away
  2. 4.2135 km NNE of Calama, Chile · 14596 days ago · 127 km deep · 61 km away
  3. 4.6117 km NE of San Pedro de Atacama, Chile · 14593 days ago · 168 km deep · 97 km away
  4. 4.0118 km NNE of Calama, Chile · 14582 days ago · 129 km deep · 37 km away
  5. 4.9136 km NNE of Calama, Chile · 14575 days ago · 134 km deep · 46 km away

Before

  1. 4.6127 km N of Calama, Chile · 14615 days ago · 187 km deep · 85 km away
  2. 4.770 km NNE of Calama, Chile · 14629 days ago · 106 km deep · 39 km away
  3. 4.164 km NNE of Calama, Chile · 14630 days ago · 145 km deep · 41 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002yhp. Read Mon, Sep 28, 2026, 8:29 PM UTC.