Update: Jan. 20 – 5.3 magnitude earthquake registered close to Mbumi, Tanzania

Published Feb 5, 2026

RUFIJI, Pwani Region — the U.S. Geological Survey reported that a 5.3 magnitude quake occurred near Mbumi Tuesday evening.

It was reported that a tremor shook the region at 17:11 UTC (20:11 local time). The epicenter was situated roughly 40 km south of Mbumi, at a depth of 10 km. Seismologists first reported it as a 5.4 event, but later downgraded it to 5.3.

Did you feel it?

You can let the USGS know if you noticed the earthquake by filling out their Felt Report form.

Impact and estimated losses

Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

Structure information summary
Overall, the population in this region resides in structures that are highly vulnerable to earthquake shaking, though some resistant structures exist. The predominant vulnerable building types are mud wall with wood and informal (metal, timber, GI etc.) construction.

Source: The U.S. Geological Survey