For starters, one crucial source of information is what's known as a zero-age sample: a chunk of lava fresh from the lake. It would be the Rosetta stone of Nyiragongo, the piece that could unlock ...

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 ...

An curved arrow pointing right. The Nyiragongo volcano saw its last major eruption in 2002. When it's not erupting, it's home to the world's largest lava lake. Follow Tech Insider: On Facebook ...

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 ...

Some volcanoes threatened populations with torrents of searing lava, as the African volcano Nyiragongo did in January, 2002. But most deaths resulted from secondary causes in the wake of an ...