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What is the usually explosive discharge of steam and volcanic material in a volcano?
The event is called an eruption.
Did Hawaiian volcano have the most explosive eruption?
No. Volcanic eruptions in Hawaii are not usually explosive.
Which of these substances is usually not present in explosive volcanic eruptions?
Pahoehoe is one substance usually not present in explosive volcanic eruptions. Tephra, lava and other gasses are typically present during an eruption.
What is the underwater mountain of volcanic material?
Magma is the underwater mountain of volcanic material. The underwater mountain of volcanic material is usually in molten rock.
What is underwater mountain of volcanic material?
Magma is the underwater mountain of volcanic material. The underwater mountain of volcanic material is usually in molten rock.
What is a volcanic discharge?
A volcano erupts because there is mass pressure under it. In a volcano there is hot, melted rock called lava. The hot lava produces gasses that build up underground until there is too much for the rock to contain, that makes the eruption. When there is too much, it bursts the volcano. There are two types of eruptions. Non explosive and explosive. When they are explosive, it is caused by clouds of hot debris and gases.
Does low silica magma cause explosive volcanic eruptions?
Not usually. Explosive eruptions are more often to magma with high or moderate silica levels.
Where is tuff rock found?
Tuff is usually found in and near areas that have experienced explosive volcanic eruptions.
What substances is usually not present in explosive volcanic eruptions?
Pastry is not usually present in explosive volcanic eruptions also you seldom find lettuce leaves or sharks.This answer is absolutely true and you may find it surprising. However, when you ask a question in the negative "not present" then almost everything you can think of would provide a true answer.
What ia the difference between lava and pyroclastic material?
Lava is simply molten rock on the surface of the earth that flows as a viscous liquid. Pyroclastic material consists of rock fragments, molten, and partially molten material that is blasted out by explosive volcanic activity and eatiher rains down or flows downward as a density current.
Is there a pahoehoe in a volcanic explosive eruption?
Not usually. Pahoehoe refers specifically to a lava flows. These can occur in mildly explosive eruptions, but usually explosive eruptions to not produce lava flows. Instreat they produce clouds of ash with some lapilli and pumice. Pryoclastic flows often result. These are fast-moving avalanches of superheated ash, gas and pumice. These form a kind of volcanic rock called tuff.
What kind of of volcanic eruption occurs when basaltic magma is present?
Basaltic magma usually produces a Hawaiian or Stombolian style of eruption.
