It is now 25 years that lake Nyos in the Nord-West Province released a toxic cloude of volcanic gazes that killed 1.700 people.
Spiegel-Online commemorates this disaster: http://einestages.spiegel.de/static/topicalbumbackground/23352/toedliche_wolke_aus_dem_see.html
Volcanic activities still continue at Mount Cameroon. During its last eruption a flow of lava of 16 km almost reached the coast.
The volcanic lava still smoking in 2002