![Volcano observatory Volcano observatory](icons/g876.jpg) Goma Volcano Observatory: Stephane and the observatory's Director discuss the gas content of Lake Kivu. | ![Volcano observatory Volcano observatory](icons/g869.jpg) Director Célestin Kasereka Mahinda explains the geology of Nyiragongo and Nyamulagira volcanoes. | ![Volcano observatory Volcano observatory](icons/g871.jpg) He then shows us the real-time seismograms provided by the seismic network around Nyiragongo volcano. | ![Volcano observatory Volcano observatory](icons/g873.jpg) Honoré shows Stephane the temperature evolution of Nyiragongo's North-South fissure. |