M4.6 earthquake 151 km ESE of Iquique, Chile
A magnitude 4.6 earthquake struck 151 km ESE of Iquique, Chile on Mon, Dec 20, 1976, 5:37 AM GMT-3 (08:37 UTC), 111 km (69 mi) below the surface.
A larger quake followed: M5.8 149 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
- 4.6 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1976-12-20 08:37:33 UTC
- Depth
- 111.0 km (69.0 mi), intermediate-depth
- Epicenter
- 20.800° S, 68.838° 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
- Stations used
- 22
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 15 in the 30 days before it.
After
- 5.8149 km NNE of Calama, Chile · 18178 days ago · 89 km deep · 46 km away
- 4.9175 km WSW of Colchani, Bolivia · 18172 days ago · 136 km deep · 31 km away
- 4.7126 km ESE of Iquique, Chile · 18168 days ago · 101 km deep · 25 km away
Before
- 4.195 km SE of Iquique, Chile · 18186 days ago · 225 km deep · 60 km away
- 5.6172 km WSW of Colchani, Bolivia · 18188 days ago · 57 km deep · 42 km away
- 4.8174 km NNE of Calama, Chile · 18193 days ago · 77 km deep · 29 km away
- 4.9156 km W of Colchani, Bolivia · 18197 days ago · 73 km deep · 54 km away
- 5.6167 km W of Colchani, Bolivia · 18202 days ago · 72 km deep · 56 km away
- 5.2164 km W of Colchani, Bolivia · 18202 days ago · 78 km deep · 51 km away
- 5.4162 km ESE of Iquique, Chile · 18203 days ago · 71 km deep · 36 km away
- 4.7122 km ESE of Iquique, Chile · 18205 days ago · 91 km deep · 32 km away
- 4.6153 km N of Calama, Chile · 18205 days ago · 119 km deep · 32 km away
- 4.3146 km NNE of Calama, Chile · 18206 days ago · 89 km deep · 66 km away
- 4.9158 km ESE of Iquique, Chile · 18206 days ago · 60 km deep · 7 km away
- 5.1157 km E of Iquique, Chile · 18206 days ago · 81 km deep · 47 km away
- 4.5145 km ESE of Iquique, Chile · 18206 days ago · 59 km deep · 21 km away
- 5.2163 km E of Iquique, Chile · 18206 days ago · 92 km deep · 46 km away
- 6.5132 km ESE of Iquique, Chile · 18206 days ago · 82 km deep · 32 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000kus. Read Mon, Oct 5, 2026, 7:17 AM UTC.