M4.3 earthquake 163 km NNE of Calama, Chile
A magnitude 4.3 earthquake struck 163 km NNE of Calama, Chile on Mon, Apr 27, 1987, 5:48 AM GMT-4 (09:48 UTC), 157 km (98 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
- 4.3 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-04-27 09:48:55 UTC
- Depth
- 157.3 km (97.7 mi), intermediate-depth
- Epicenter
- 21.009° S, 68.592° 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 4 in the 30 days before it.
After
- 5.4111 km NE of Calama, Chile · 14386 days ago · 78 km deep · 85 km away
- 4.4127 km N of Calama, Chile · 14376 days ago · 126 km deep · 54 km away
- 4.6105 km NE of Calama, Chile · 14350 days ago · 33 km deep · 99 km away
- 5.7149 km NNE of Calama, Chile · 14348 days ago · 86 km deep · 33 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00034h6. Read Thu, Oct 1, 2026, 3:06 AM UTC.