M4.5 earthquake 112 km SSW of Calama, Chile
A magnitude 4.5 earthquake struck 112 km SSW of Calama, Chile on Fri, Aug 15, 1986, 7:31 PM GMT-4 (23:31 UTC), 114 km (71 mi) below the surface.
A larger quake followed: M5.2 62 km SSW of San Pedro de Atacama, 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
- 1986-08-15 23:31:28 UTC
- Depth
- 114.1 km (70.9 mi), intermediate-depth
- Epicenter
- 23.447° S, 69.165° 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 1.5 and up: 4 in the 60 days after this one and 1 in the 30 days before it.
After
- 3.955 km W of San Pedro de Atacama, Chile · 14633 days ago · 199 km deep · 66 km away
- 4.760 km WSW of San Pedro de Atacama, Chile · 14625 days ago · 112 km deep · 61 km away
- 5.190 km SW of San Pedro de Atacama, Chile · 14599 days ago · 86 km deep · 50 km away
- 5.262 km SSW of San Pedro de Atacama, Chile · 14595 days ago · 117 km deep · 66 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002x6s. Read Tue, Sep 29, 2026, 6:19 AM UTC.