Chile earthquakes

M4.6 earthquake 160 km N of Calama, Chile

A magnitude 4.6 earthquake struck 160 km N of Calama, Chile on Sun, Apr 19, 1987, 10:21 PM GMT-4 (02:21 UTC), 136 km (84 mi) below the surface.

A larger quake followed: M5.4 111 km NE of Calama, Chile. This one was a foreshock.

Pozo Almonte 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
4.6 (mb), light
Local time
UTC
1987-04-20 02:21:47 UTC
Depth
135.9 km (84.4 mi), intermediate-depth
Epicenter
21.027° S, 68.645° 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 3 in the 30 days before it.

After

  1. 4.4126 km N of Calama, Chile · 14404 days ago · 137 km deep · 42 km away
  2. 4.3163 km NNE of Calama, Chile · 14398 days ago · 157 km deep · 6 km away
  3. 5.4111 km NE of Calama, Chile · 14383 days ago · 78 km deep · 86 km away
  4. 4.4127 km N of Calama, Chile · 14372 days ago · 126 km deep · 48 km away
  5. 4.6105 km NE of Calama, Chile · 14346 days ago · 33 km deep · 100 km away

Before

  1. 4.2163 km ESE of Iquique, Chile · 14416 days ago · 129 km deep · 24 km away
  2. 5.1127 km N of Calama, Chile · 14421 days ago · 194 km deep · 34 km away
  3. 4.8144 km NNE of Calama, Chile · 14430 days ago · 117 km deep · 17 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00034a3. Read Sun, Sep 27, 2026, 8:11 AM UTC.