Volcanic Eruptions

The video discusses the 1980 eruption of Mount St. Helens, explaining the nature of volcanic eruptions, their components, and the factors influencing their severity. It highlights the impact of the eruption, which sent ash high into the atmosphere and affected areas far away. The video also explores how different types of magma, such as those low in silica like basalt, result in less violent eruptions compared to silica-rich magma, which leads to explosive eruptions.

What factors can affect the nature of volcanic eruptions?

What is the difference between basalt-rich volcanoes and silica-rich volcanoes in terms of eruption type?