VEI Tephra Volume (km3) Example
0 Effusive Masaya (Nicaragua), 1570
1 >0.00001 Poás (Costa Rica), 1991
2 >0.001 Ruapehu (New Zealand), 1971
3 >0.01 Nevado del Ruiz (Colombia), 1985
4 >0.1 Pelée (West Indies), 1902
5 >1 Mount St. Helens (United States), 1980
6 >10 Krakatau (Indonesia), 1883
7 >100 Tambora (Indonesia), 1815
8 >1000 Yellowstone (United States), Pleistocene
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