M3.8 earthquake 62 km ENE of Calama, Chile
A magnitude 3.8 earthquake struck 62 km ENE of Calama, Chile on Wed, Jul 31, 1974, 11:05 PM GMT-4 (03:05 UTC), 109 km (68 mi) below the surface.
A larger quake followed: M5.4 22 km SE 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
- 3.8 (mb), minor
- Local time
- UTC
- 1974-08-01 03:05:14 UTC
- Depth
- 109.0 km (67.7 mi), intermediate-depth
- Epicenter
- 22.346° S, 68.326° 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
- 6
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 2 in the 30 days before it.
After
- 5.422 km SE of Calama, Chile · 19023 days ago · 109 km deep · 51 km away
- 4.733 km SSW of Calama, Chile · 19022 days ago · 33 km deep · 83 km away
- 4.035 km W of San Pedro de Atacama, Chile · 19014 days ago · 151 km deep · 69 km away
- 4.770 km NE of Calama, Chile · 18995 days ago · 108 km deep · 52 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00007dz. Read Tue, Sep 22, 2026, 8:36 PM UTC.