M4.3 earthquake 20 km NNE of Madimba, Tanzania
A magnitude 4.3 earthquake struck 20 km NNE of Madimba, Tanzania on Mon, May 27, 1985, 1:43 PM GMT+3 (10:43 UTC), 10 km (6 mi) below the surface.
A larger quake followed: M5.0 87 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
- 4.3 (mb), light
- Local time
- UTC
- 1985-05-27 10:43:20 UTC
- Depth
- 10.0 km (6.2 mi), shallow
- Epicenter
- 10.222° S, 40.392° 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 1.5 and up: 18 in the 60 days after this one and 3 in the 30 days before it.
After
- 4.263 km SE of Madimba, Tanzania · 15093 days ago · 33 km deep · 72 km away
- 4.586 km ESE of Madimba, Tanzania · 15076 days ago · 10 km deep · 89 km away
- 4.575 km ESE of Madimba, Tanzania · 15074 days ago · 10 km deep · 77 km away
- 4.313 km E of Mtwara, Tanzania · 15072 days ago · 10 km deep · 10 km away
- 5.087 km ESE of Madimba, Tanzania · 15072 days ago · 10 km deep · 90 km away
- 4.579 km ESE of Madimba, Tanzania · 15072 days ago · 10 km deep · 80 km away
- 4.691 km ESE of Madimba, Tanzania · 15072 days ago · 10 km deep · 93 km away
- 4.055 km NE of Madimba, Tanzania · 15071 days ago · 10 km deep · 40 km away
- 4.477 km ESE of Madimba, Tanzania · 15069 days ago · 10 km deep · 79 km away
- 4.475 km ESE of Madimba, Tanzania · 15068 days ago · 10 km deep · 79 km away
- 4.772 km ESE of Madimba, Tanzania · 15068 days ago · 10 km deep · 76 km away
- 4.870 km E of Madimba, Tanzania · 15068 days ago · 10 km deep · 69 km away
- 4.693 km ESE of Madimba, Tanzania · 15068 days ago · 10 km deep · 95 km away
- 4.790 km ESE of Madimba, Tanzania · 15068 days ago · 10 km deep · 94 km away
- 4.568 km ESE of Madimba, Tanzania · 15068 days ago · 10 km deep · 70 km away
- 4.6Tanzania · 15068 days ago · 10 km deep · 32 km away
- 4.583 km ESE of Madimba, Tanzania · 15066 days ago · 10 km deep · 86 km away
- 4.786 km ESE of Madimba, Tanzania · 15047 days ago · 10 km deep · 91 km away
Before
Earthquakes todayTanzania earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002f84. Read Tue, Sep 29, 2026, 2:43 PM UTC.