Robuta

https://www.usgs.gov/publications/elucidating-magma-plumbing-system-ol-doinyo-lengai-natron-rift-tanzania-using
Ol Doinyo Lengai, located in the southern Eastern Branch of the East African Rift had several eruptive episodes with ash falls and lava flows (VEI 3) that...
ol doinyo lengaimagma plumbingsystemnatron