M4.6 earthquake 133 km NNW of Caluula, Somalia
A magnitude 4.6 earthquake struck 133 km NNW of Caluula, Somalia on Thu, Dec 15, 1977, 11:02 AM GMT+3 (08:02 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.0 129 km N of Caluula, Somalia. 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), light
- Local time
- UTC
- 1977-12-15 08:02:42 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 13.113° N, 50.374° E
- Region
- Somalia
- 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
- 8
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 0 in the 30 days before it.
After
Earthquakes todaySomalia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000s2v. Read Tue, Sep 22, 2026, 11:15 AM UTC.