M4.5 earthquake 89 km NE of Calama, Chile
A magnitude 4.5 earthquake struck 89 km NE of Calama, Chile on Tue, May 28, 1985, 3:19 PM GMT-4 (19:19 UTC), 150 km (93 mi) below the surface.
A larger quake followed: M4.6 94 km NNW 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
- 1985-05-28 19:19:36 UTC
- Depth
- 150.0 km (93.2 mi), intermediate-depth
- Epicenter
- 21.834° S, 68.370° 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 3 in the 30 days before it.
After
- 4.694 km NNW of Calama, Chile · 15081 days ago · 164 km deep · 83 km away
- 4.680 km NE of Calama, Chile · 15072 days ago · 132 km deep · 9 km away
- 5.1151 km NE of Calama, Chile · 15065 days ago · 147 km deep · 63 km away
- 4.220 km NE of Calama, Chile · 15046 days ago · 127 km deep · 69 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002f9k. Read Wed, Sep 23, 2026, 1:01 PM UTC.