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Not necessarily. A summit eruption may be explosive or effusive. It is considered a summit eruption when material erupts at or near the volcano's peak as opposed to on its flanks.

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Did Nevado del Ruiz erupt lava in 1985?

No, the eruption of Nevado del Ruiz in 1985 was mainly an explosive eruption that generated pyroclastic flows and lahars by melting snow and ice on the volcano's summit. There was no significant lava eruption during this event.


Why do volcanoes sometimes get lower?

In an explosive eruption, the summit may be blasted away. In large eruptions, so much magma may be erupted that a volcano can collapse into the space left behind, leaving a caldera.


What is a eruption from the side of a volcanano?

An eruption from the side of a volcano, often referred to as a flank eruption, occurs when magma escapes through a fissure or vent on the side of the volcano rather than from the summit. This type of eruption can produce lava flows, ash, and pyroclastic material, potentially affecting areas adjacent to the volcano. Flank eruptions can be less explosive than summit eruptions but can still pose significant hazards to nearby communities and ecosystems. Such eruptions are commonly associated with shield volcanoes and stratovolcanoes.


Can non explosive volcanoes have pyroclastic flows?

The answer is Explosive . It is explosive because during a explosive eruption there are clouds of ash, gas , and rock , and with a pyroclastic flow there is dust and ash . there for the answer must be explosive .


What was the biggest eruption mount Shishaldin had?

The biggest eruption of Mount Shishaldin occurred around 200 CE and resulted in the formation of a large caldera at the summit of the volcano. This eruption was one of the most explosive events in its history and had significant impacts on the surrounding area.