M4.5 earthquake 65 km WNW of Tumaco, Colombia
A magnitude 4.5 earthquake struck 65 km WNW of Tumaco, Colombia on Thu, Jan 1, 1981, 11:27 AM GMT-5 (16:27 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.7 56 km NW of Tumaco, Colombia. 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
- 1981-01-01 16:27:36 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 2.064° N, 79.315° W
- Region
- Colombia
- 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
- OPERATOR_ASSIGNED
- Stations used
- 10
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 0 in the 30 days before it.
After
- 5.756 km NW of Tumaco, Colombia · 16699 days ago · 33 km deep · 18 km away
- 5.763 km NW of Tumaco, Colombia · 16698 days ago · 33 km deep · 14 km away
- 5.660 km WNW of Tumaco, Colombia · 16694 days ago · 25 km deep · 7 km away
- 5.152 km WNW of Tumaco, Colombia · 16694 days ago · 33 km deep · 13 km away
- 4.956 km NW of Tumaco, Colombia · 16692 days ago · 33 km deep · 16 km away
- 4.118 km NNE of Pampanal de Bolívar, Ecuador · 16671 days ago · 128 km deep · 79 km away
- 4.7144 km WNW of Salahonda, Colombia · 16671 days ago · 33 km deep · 91 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0001bjc. Read Tue, Sep 22, 2026, 12:11 PM UTC.