Four facts about stratovolcano:
1) Tall, conical, volcano built up by many layers of hardened lava, tephra, pumice, and volcanic ash
2) Characterized by a steep profile and periodic, explosive eruptions
3) Lava typically cools and hardens before spreading far due to high viscosity
4) Among the most common types of volcanoes
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A stratovolcano is a type of volcano with steep sides composed of alternating layers of solidified lava flows, volcanic ash, and rocks. A composite volcano is another name for a stratovolcano, both refer to the same type of volcano.
Eyjafjallajokull is a stratovolcano in Iceland, which has a cone shape due to the layers of lava, ash, and other volcanic materials.
A caldera forms when the dome of a stratovolcano collapses following a large eruption, emptying the magma chamber beneath the volcano. This collapse creates a large, bowl-shaped depression in the Earth's surface.
Mount Shasta is a composite volcano. It is formed by layers of ash, lava, and rocks created by successive eruptions. These layers alternate and build up the conical shape of the volcano over time.
Mount Pinatubo is an active stratovolcano located in the Philippines. Its eruption in 1991 was one of the largest in the 20th century and had global climatic impacts. It is characterized by its steep slopes and conical shape typical of stratovolcanoes.