Rungwe

sopka – Stratovolcano, Tanzania, Eastern Africa Volcanic Regions

Kde

Tanzania, Eastern Africa Volcanic Regions

Typ (GVP)

Stratovolcano

Nadmořská výška

2 953 m

Tektonické prostředí

Rift zone / Continental crust (> 25 km)

Poslední známá erupce

1250

Poloha

-9,135°, 33,668°

Rungwe volcano, the largest in the Karonga basin NW of Lake Malawi (Lake Nyasa), is cut by a 4-km-wide caldera that is breached to the WSW. Hummocky terrain from a debris-avalanche deposit produced by collapse of the summit and western flank extends at least 20 km SW of the volcano. The trachytic caldera is largely filled by a series of youthful-looking uneroded and sparsely vegetated pumice cones, lava domes, and explosion craters. The latter are also found on the southern and northern flanks. A large area of basaltic cones and lava flows are found on the NW flank, and youthful-looking lava flows extend SW from vents inside the caldera. Explosive and effusive eruptions were produced during the Holocene; the largest explosive eruption took place about 4,000 years ago, and the most recent about 1,200 years ago.

Text: Smithsonian Global Volcanism Program.

Údaje o sopce: Smithsonian Global Volcanism Program. Další sopky a průduchy.