M4.5 earthquake 111 km ESE of Iquique, Chile
A magnitude 4.5 earthquake struck 111 km ESE of Iquique, Chile on Thu, Oct 26, 1978, 10:41 PM GMT-3 (01:41 UTC), 117 km (73 mi) below the surface.
A larger quake followed: M5.2 168 km NNE 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
- 4.5 (mb), light
- Local time
- UTC
- 1978-10-27 01:41:59 UTC
- Depth
- 117.0 km (72.7 mi), intermediate-depth
- Epicenter
- 20.477° S, 69.121° 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
- 26
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000x51. Read Tue, Sep 22, 2026, 9:44 AM UTC.