M4.4 earthquake 127 km N of Calama, Chile
A magnitude 4.4 earthquake struck 127 km N of Calama, Chile on Fri, May 22, 1987, 9:21 PM GMT-4 (01:21 UTC), 126 km (78 mi) below the surface.
A larger quake followed: M5.7 149 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
- 4.4 (mb), light
- Local time
- UTC
- 1987-05-23 01:21:03 UTC
- Depth
- 126.2 km (78.4 mi), intermediate-depth
- Epicenter
- 21.309° S, 68.999° 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
- CONSTRAINED_BY_DEPTH_PHASES
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.7149 km NNE of Calama, Chile · 14346 days ago · 86 km deep · 67 km away
- 5.4144 km E of Iquique, Chile · 14326 days ago · 68 km deep · 97 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000356v. Read Mon, Sep 28, 2026, 2:50 PM UTC.