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Index
Description
Plume
Height
Volume of
Ejecta
Classificatio
Example
n
0
nonexplosive
< 100 m
1000's m3
Icelandic,
Hawaiian
1
gentle
100-1000 m 10,000's m3
2
explosive
1-5 km
1,000,000's
m3
Strombolian Galeras,
, Vulcanian 1992
3
severe
3-15 km
10,000,000'
s m3
Vulcanian
4
cataclysmic
10-25 km
100,000,000 Vulcanian,
's m3
Plinian
Galunggung
, 1982
5
paroxysmal
>25 km
1 km3
Plinian
St. Helens,
1980
6
colossal
>25 km
10's km3
Plinian,
Krakatau,
Ultra-Plinian 1883
7
supercolossal
>25 km
100's km3
Ultra-Plinian
Tambora,
1815
8
megacolossal
>25 km
1,000's km3
Ultra-Plinian
Yellowstone
, 2 Ma
Kilauea
Hawaiian,
Stromboli
Strombolian
Índice de explosividad volcánica (logarítmico)
Nevado
Ruiz, 1985