Volcanoes in Tanzania

With 2 volcanoes in Tanzania there have been a total of 5 significant eruptions over the past 300 years. The worst volcanic eruption in terms of deaths, destroyed houses and financial damages happened on 01/01/1800 with the eruption of "Kieyo".

Out of 4 volcanos in Tanzania, 3 are considered still active.

Other natural hazards in Tanzania:
Current volcanoes worldwide

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Significant volcanic eruptions in Tanzania in the last 300 years

The following list shows all volcanic eruptions of the last 300 years with significant damage. The column "VEI" stands for the volcano explosivity index, which represents the strength of the eruption from a geological point of view. This takes into account the height and volume of the rocks ejected. The scale ranges from 0-8, with the severity of the eruption increasing tenfold with each value. For example, a VEI of 1 means that the volcano throws lava and rock masses of 100,000 to 1 million cubic meters up to 1 kilometer high. From VEI 8, a volcano is considered a super volcano. Here, more than 1,000 cubic kilometers of tephra are thrown to altitudes of more than 25 kilometers.

The highest explosivity index in Tanzania reached in the review period was VEI 4 in 1966. The volcano Lengai, Ol Doinyo threw tephramasses of at least 100 million cubic meters over 10 kilometers high. Volcanoes of this size do not normally erupt more frequently than every 10 years.

EruptionVolcanoVEIDeathsTotal damage
07/08/1967Lengai, Ol Doinyo30
08/14/1966Lengai, Ol Doinyo40
07/24/1940Lengai, Ol Doinyo20
01/01/1917Lengai, Ol Doinyo30

All volcanoes in Tanzania

VolcanoElevationStatusLast eruption
Kilimanjaro5895 mSolfatara stage
Kiyo2175 mActive
Meru4565 mActive
Ol Doinyo Lengai2886 mActive

These statistics are based on datas from the Smithsonian Institution's Global Volcanism Program (GVP), and the Significant Volcanic Eruptions Database of the National Geophysical Data Center (NOAA) / World Data Service (NGDC/WDS) doi:10.7289/V5JW8BSH. Several data have been summarized and translated.
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