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fenomeni endogeni - Istituto Pontano

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VEI Altezza della<br />

nube<br />

Volume dei<br />

materiali<br />

espulsi<br />

Classificazione Esempio<br />

0 < 100 m 1000 m 3 Hawaiana Kilauea<br />

1 100 m - 1 km 10.000 m3 Hawaiana/<br />

Stromboliana<br />

Stromboli<br />

2 1 - 5 km 1.000.000 m3 Stromboliana/<br />

Vulcaniana<br />

Galeras, 1992<br />

3 3 - 15 km 10.000.000 m3 Vulcaniana Ruiz, 1985<br />

4 10 - 25 km 100.000.0000<br />

m 3<br />

Vulcaniana/<br />

Pliniana<br />

Galunggung, 1982<br />

5 > 25 km 1 km 3 Pliniana St. Helens, 1981<br />

6 > 25 km 10 km3 Pliniana/<br />

Ultra-Pliniana<br />

Krakatau, 1883<br />

7 > 25 km 100 km3 Ultra-Pliniana Tambora, 1815<br />

8 > 25 km 1000 km 3 Ultra-Pliniana Yellowstone/<br />

Toba/Campi Flegrei

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