M4.6 earthquake Tanzania
A magnitude 4.6 earthquake struck in Tanzania on Fri, Jun 28, 1985, 5:55 PM GMT+3 (14:55 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M4.7 86 km ESE of Madimba, Tanzania. 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
- 1985-06-28 14:55:58 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 10.105° S, 40.659° E
- Region
- Tanzania
- 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
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 2 in the 60 days after this one and 20 in the 30 days before it.
After
- 4.583 km ESE of Madimba, Tanzania · 15059 days ago · 10 km deep · 73 km away
- 4.786 km ESE of Madimba, Tanzania · 15041 days ago · 10 km deep · 81 km away
Before
- 4.568 km ESE of Madimba, Tanzania · 15062 days ago · 10 km deep · 58 km away
- 4.790 km ESE of Madimba, Tanzania · 15062 days ago · 10 km deep · 82 km away
- 4.693 km ESE of Madimba, Tanzania · 15062 days ago · 10 km deep · 80 km away
- 4.870 km E of Madimba, Tanzania · 15062 days ago · 10 km deep · 52 km away
- 4.772 km ESE of Madimba, Tanzania · 15062 days ago · 10 km deep · 66 km away
- 5.6101 km ESE of Madimba, Tanzania · 15062 days ago · 10 km deep · 85 km away
- 4.475 km ESE of Madimba, Tanzania · 15062 days ago · 10 km deep · 68 km away
- 4.477 km ESE of Madimba, Tanzania · 15063 days ago · 10 km deep · 67 km away
- 4.055 km NE of Madimba, Tanzania · 15065 days ago · 10 km deep · 8 km away
- 4.691 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 77 km away
- 5.196 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 87 km away
- 4.579 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 65 km away
- 5.0102 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 90 km away
- 5.087 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 76 km away
- 4.313 km E of Mtwara, Tanzania · 15066 days ago · 10 km deep · 42 km away
- 4.596 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 91 km away
- 4.575 km ESE of Madimba, Tanzania · 15067 days ago · 10 km deep · 63 km away
- 4.586 km ESE of Madimba, Tanzania · 15069 days ago · 10 km deep · 75 km away
- 4.263 km SE of Madimba, Tanzania · 15086 days ago · 33 km deep · 70 km away
- 5.3115 km ESE of Madimba, Tanzania · 15091 days ago · 10 km deep · 98 km away
Earthquakes todayTanzania earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002g86. Read Wed, Sep 23, 2026, 3:39 AM UTC.