| 11. | This eruption has a volcanic explosivity index of 2, and was observed by a merchant ship.
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| 12. | About 150, 000 years ago, a much larger explosive eruption occurred, probably of Volcanic Explosivity Index 5.
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| 13. | All known eruptions at the volcano have had a Volcanic Explosivity Index ( VEI ) of 3.
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| 14. | It therefore is classed as having a Volcanic Explosivity Index ( VEI ) of 1 or 2.
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| 15. | Mashk volcano is rated with a Volcanic Explosivity Index of 6, the second highest among large volcanoes.
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| 16. | For the 2010 30 period an eruption of Volcanic Explosivity Index 2 or more is expected based on statistics.
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| 17. | The eruption has a volcanic explosivity index of 7, making it one of the largest eruptions of the Holocene.
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| 18. | Tectonic earthquakes began early in January, resulting in an explosive Volcanic Explosivity Index 3 eruption later in that day.
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| 19. | It was rated 7, the highest score for a historical eruption, in the Smithsonian Global Volcanism Program's Volcanic Explosivity Index.
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| 20. | The last major eruption on Galunggung was in 1982, which had a Volcanic Explosivity Index of 4 and killed 35 people.
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