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2/1/21

[Answer] Which type of magma is known for the most violent eruptions?

Answer: Rhyolitic




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Which type of magma is known for the most violent eruptions? Magmatic eruptions produce juvenile clasts during explosive decompression from gas release. They range in intensity from the relatively small lava fountains on Hawaii to catastrophic Ultra-Plinian eruption columns more than 30 km (19 mi) high bigger than the eruption of Mount Vesuvius in 79 that buried Pompeii. Hawaiian eruptions are a type of volcanic eruption named after the Hawaiian volcanoeswith which this eruptive type is hallmark. Hawaiian eruptions are the calmest types of volcanic events characterized b… In volcanology an explosive eruption is a volcanic eruption of the most violent type. A notable example is the 1980 eruption of Mount St. Helens. Such eruptions result when sufficient gas has dissolved under pressure within a viscous magma such that expelled lava violently froths into volcanic ash when pressure is suddenly lowered at the vent. Sometimes a lava plug will block the conduit to the summit and when this occurs eruptions are more violent. Explosive eruptions can send rocks dust gas and pyroclasticmateri… 49 rows · In explosive eruptions the eruption of magma is driven by the rapid release of pressure … Surtseyan eruption - Wikipedia Types of volcanic eruptions - Wikipedia Supervolcano - Wikipedia Explosive eruption - Wikipedia The Taupo Volcano erupts rhyolite a viscous magma with a high silica content. If the magma does not contain much gas rhyolite tends to just form a lava dome. However when mixed with gas or steam rhyolitic eruptions can be extremely violent. The magma froths to form pumice and ash which is thrown out with gre...

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