Nyiragongo volcano erupted and lava flows threatened about 1 million of inhabitants living
in the cities of Goma (Democratic Republic of Congo) and Giseny (Rwanda). After January
1977 and January 2002, it was the beginning of the third historically known flank eruption of
Nyiragongo volcano and the first ever to be recorded by dense measurements both on the
ground and from space. In the following days, seismic and geodetic data as well as fracture …