What Causes Violent Volcanic Eruptions?

What Causes Violent Volcanic Eruptions? As magma rises and pressure is released, gas bubbles (mainly of water vapor and carbon dioxide) form and expand rapidly, causing explosions. Magmas with high silica content tend to erupt violently, because they are viscious. Which type of magma is known for the most violent eruptions? Because they form in

What Is The Most Dangerous Form Of Volcano?

What Is The Most Dangerous Form Of Volcano? Not surprisingly, supervolcanoes are the most dangerous type of volcano. Supervolcanoes are a fairly new idea in volcanology. The exact cause of supervolcano eruptions is still debated, however, scientists think that a very large magma chamber erupts entirely in one catastrophic explosion. What are the 3 most

What Force Pushes Magma Out Of A Volcano Onto The Surface?

What Force Pushes Magma Out Of A Volcano Onto The Surface? The term volcano also refers to the opening or vent through which the molten rock and associated gases are expelled. Driven by buoyancy and gas pressure the molten rock, which is lighter than the surrounding solid rock forces its way upward and may ultimately

What Is The Most Dangerous Type Of Eruption?

What Is The Most Dangerous Type Of Eruption? The largest and most violent of all the types of volcanic eruptions are Plinian eruptions. They are caused by the fragmentation of gassy magma, and are usually associated with very viscous magmas (dacite and rhyolite). What is the strongest type of eruption? The stronger eruptive types are