Tephra includes large, dense chunks, light rock debris, and ash. The restless lava lake in Nyiragongo's summit crater regularly causes eruptions of gas and smoke laden with tephra. Lava is the ...

Yet my journey into the crater of the volcano Nyiragongo was undoubtedly one of the most complicated and dangerous productions of my life. We faced threats long before we even reached the volcano.

Sims led the descent into the crater, anchoring ropes and spidering down walls. The rest of the party followed. Nyiragongo is in the Great Rift Valley, where the African continental plate is being ...

often in the form of a churning lava lake in the crater. In 2002 which is the last time Nyiragongo erupted, it lasted for a day but destroyed 15 per cent of Goma, including part of the ...

Satellite pictures confirm there is a persistent lava lake inside the crater of a remote British ... Lava lakes are also known at Nyiragongo Volcano, DR Congo; Erta Ale Volcano, Ethiopia; Mount ...