M4.4 earthquake 65 km NNE of Calama, Chile
A magnitude 4.4 earthquake struck 65 km NNE of Calama, Chile on Tue, Apr 11, 1978, 3:12 AM GMT-4 (07:12 UTC), 130 km (81 mi) below the surface.
A larger quake followed: M4.8 54 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
- 4.4 (mb), light
- Local time
- UTC
- 1978-04-11 07:12:33 UTC
- Depth
- 130.0 km (80.8 mi), intermediate-depth
- Epicenter
- 21.889° S, 68.746° 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.
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 0 in the 30 days before it.
After
- 4.854 km NE of Calama, Chile · 17670 days ago · 110 km deep · 37 km away
- 3.9131 km N of Calama, Chile · 17658 days ago · 131 km deep · 68 km away
- 4.7152 km NNE of Calama, Chile · 17650 days ago · 133 km deep · 87 km away
- 4.733 km E of Calama, Chile · 17648 days ago · 113 km deep · 59 km away
- 4.2156 km N of Calama, Chile · 17643 days ago · 88 km deep · 92 km away
- 5.0103 km NNW of Calama, Chile · 17643 days ago · 102 km deep · 57 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000u0w. Read Tue, Sep 22, 2026, 3:17 PM UTC.