M4.2 earthquake 163 km ESE of Iquique, Chile
A magnitude 4.2 earthquake struck 163 km ESE of Iquique, Chile on Thu, Apr 9, 1987, 1:41 PM GMT-3 (16:41 UTC), 129 km (80 mi) below the surface.
A larger quake followed: M4.6 160 km N 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
- 4.2 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1987-04-09 16:41:49 UTC
- Depth
- 128.9 km (80.1 mi), intermediate-depth
- Epicenter
- 20.823° S, 68.724° 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.
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
- 4.6160 km N of Calama, Chile · 14411 days ago · 136 km deep · 24 km away
- 4.4126 km N of Calama, Chile · 14409 days ago · 137 km deep · 58 km away
- 4.3163 km NNE of Calama, Chile · 14403 days ago · 157 km deep · 25 km away
- 4.4127 km N of Calama, Chile · 14378 days ago · 126 km deep · 61 km away
Before
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp000341m. Read Fri, Oct 2, 2026, 3:35 PM UTC.