The study of volcanoes, or Volcanology, includes many odd
terms. How many of these do you know?
caldera
vesicularity
pahoehoe
rheology
lahar
The term nuée ardente, or "glowing cloud"
was first used by La Croix (1904)
in his description of the volcanic flows he observed in the
1902 eruption of Mt Pelée, a historically active volcano on
the island of Martinique.