The eruption has a volcanic explosivity index of 7, making it one of the largest eruptions of the Holocene.
22.
This was Earth's most recent eruption reaching VEI-8, the highest level on the Volcanic Explosivity Index.
23.
The last major eruption on Galunggung was in 1982, which had a Volcanic Explosivity Index of 4 and killed 35 people.
24.
Prior eruptions have had a Volcanic Explosivity Index ( VEI ) of between 4 and 6 on a scale of 0 to 8.
25.
The Global Volcanism Program has assigned a volcanic explosivity index ( VEI ) to all of Mount Etna's eruptions since January 1955.
26.
This eruption is the most significant eruption of Lascar in the last 9, 000 years, with a volcanic explosivity index of 4.
27.
It was rated 7, the highest score for a historical eruption, in the Smithsonian Global Volcanism Program's Volcanic Explosivity Index.
28.
The Volcanic Explosivity Index ( VEI ) Alert Level was raised to 2 ( on a scale of 1 4 ) on 2 May 2010.
29.
Volcanism on Graciosa was predominantly characterized by low explosivity, although there appear some deposits that show indications of elevated explosivity in its geological record.
30.
Volcanism on Graciosa was predominantly characterized by low explosivity, although there appear some deposits that show indications of elevated explosivity in its geological record.
