M4.0 earthquake 120 km ESE of Iquique, Chile
A magnitude 4.0 earthquake struck 120 km ESE of Iquique, Chile on Sun, Aug 18, 1974, 11:55 PM GMT-4 (03:55 UTC), 113 km (70 mi) below the surface.
A larger quake followed: M4.4 152 km ESE of Iquique, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.0 (mb), light
- Local time
- UTC
- 1974-08-19 03:55:58 UTC
- Depth
- 113.0 km (70.2 mi), intermediate-depth
- Epicenter
- 20.526° S, 69.045° 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
- 9
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.6153 km W of Colchani, Bolivia · 19015 days ago · 141 km deep · 72 km away
- 4.4152 km ESE of Iquique, Chile · 18997 days ago · 134 km deep · 37 km away
- 4.6129 km ENE of Iquique, Chile · 18995 days ago · 91 km deep · 98 km away
- 4.3167 km ESE of Iquique, Chile · 18972 days ago · 154 km deep · 54 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00007pc. Read Tue, Sep 22, 2026, 4:10 PM UTC.