M4.5 earthquake 150 km NNW of Mosquera, Colombia
A magnitude 4.5 earthquake struck 150 km NNW of Mosquera, Colombia on Sun, Jan 23, 1977, 12:48 PM GMT-5 (17:48 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 71 km N of Mosquera, 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, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1977-01-23 17:48:01 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 3.810° N, 78.843° 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
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayColombia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000map. Read Thu, Oct 1, 2026, 8:07 AM UTC.