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Eruptions happen when magma rises to the surface of the crust and eventually breaks free.

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How did the eruption happen in Eyjafjallajökull?

The eruption in Eyjafjallajökull was caused by the interaction of magma rising from beneath the Earth's crust with ice and water, resulting in explosive ash and lava eruptions. The melting of ice due to the heat of the magma led to a rapid buildup of pressure, eventually culminating in explosive eruptions.


Why are pilnian eruptions move violent then hawaiin eruptions?

Plinian eruptions are more violent than Hawaiian eruptions because they involve highly viscous magma that traps gas bubbles, leading to increased pressure buildup and explosive eruptions. In contrast, Hawaiian eruptions involve less viscous magma with low gas content, allowing the gases to escape easily and resulting in more effusive, less explosive eruptions.


Put these eruption types in order from most destructive to least to destructive?

When eruption types are arranged from most destructive to least, it is in descending order.


Violent volcanic eruptions are common where magma has?

Violent volcanic eruptions are common where magma has a high gas content and viscosity. The pressure from trapped gases builds until it explosively releases, causing explosive eruptions like Plinian or Pelean eruptions. These eruptions often result in ash plumes, pyroclastic flows, and lahars.


How often do lahars occur?

Lahars can occur anytime there is a volcanic eruption or when large amounts of rainfall or snowmelt mix with volcanic debris on a slope. Their frequency varies depending on the volcanic activity and local weather conditions, but they can happen during or after an eruption. Monitoring volcanic activity and having early warning systems in place are essential to mitigate their impacts.