Stratovolcanoes can produce both explosive eruptions and effusive outpourings of lava.

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Stratovolcanoes are also known as composite volcanoes because they are formed from multiple layers of lava and volcanic ash. These volcanoes can have both explosive eruptions, which produce ash, pyroclastic flows, and other volcanic debris, as well as effusive eruptions, which produce lava flows. The type of eruption is determined by factors such as the viscosity of the magma and the presence of gases.

Stratovolcanoes Can Produce Both Explosive Eruptions and Effusive Outpourings of Lava