Mount Nyiragongo is an active strato-volcano with an elevation of 3,470 metres in the Virunga Mountain ranges, Albertine Rit
It is located within Virunga National Park, in the Democratic Republic of the Congo, about 20 km north of the town of Goma and Lake Kivu, and west of the border with Rwanda.
The main crater is recorded to be two kilometers wide, it contains a lava lake. Currently, the crater has two distinct cooled lava benches within the crater walls – one at about 3,175 mand a lower one at about 2,975 m.
Mount Nyiragongo’s lava lake has always been recorded to be the most voluminous known lava lake in recent history.
The depth of the lava lake varies considerably. A maximum elevation of the lava lake was recorded at about 3,250 m.
A recent very low elevation of the lava lake was recorded at about 2,700 m (8,900 ft). Nyiragongo and nearby Nyamuragira are together responsible for 40% of Africa’s historical volcanic eruptions.
However, the Whole whereabouts of Mount Nyiragongo are not known, how long the volcano has been erupting.
It has been recorded that, Mount Nyiragongo has had 34 number of eruptions since 1882 including many periods where activity was continuous for years at a time, often in the form of a churning lava lake in the crater.
The volcano partly overlaps with two older volcanoes, Baratu and Shaheru, and is also surrounded by hundreds of small volcanic cinder cones from flank eruptions.