Nyiragongo is considered the most dangerous volcano in Africa. It is usually monitored by twelve stations of the Goma Volcanological Observatory (OVG) Today there are only five left.

The other seven, stations responsible for studying earthquakes, were closed and dismantled as a security measure due to the occupation of the areas where they were installed by the M23. The OVG, deprived of part of its observation data, is worried. “Each time the [security] situation degenerates, the monitoring of volcanoes suffers’