Ash plumes
خطر بيئي
Umweltgefahren
Environmental hazards
Desastre natural
Bencana alam
Disastro naturale
自然災害
자연 재해
Aituā (Taiao)
自然灾害
Volcanoes
Σεισμός
Earthquakes
地震
Eruptions
Volcanism
5.3 - BT Geophysics and BT Volcanoes removed.
Vulcanism
Volcanic eruptions
Lava