A laboratory volcano
(1): origin of fire fountains
Fire fountain: central gas jet + magma
A few days; height = 400 m;
100 m/s to 200 m/s
Fire fountain
during
Puu o’O
eruption
(Kilauea, Hawaii)
Curtain of fire at
Krafla (Iceland)
Hawaiian eruptions start by a
curtain of fire (1 day) and then
turn to a series of fire fountains