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Stratovolcano

Imagine a giant mountain made of sticky lava and ash, ready to erupt!

Images

51 Stratovolcano—Mount Adams 16:9 ratio, 7200x4050 pixels

51 Stratovolcano—Mount Adams 16:9 ratio, 7200x4050 pixels

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Stratovolcano
51 Stratovolcano—Mount Adams 16:9 ratio, 7200x4050 pixels, no text
20190924-MountHood-CMR-0131a _Mount Jefferson, a stratovolcano in Cascade Volcanic Arc, Oregon. (USDA Forest Service photo by Cecilio Ricardo)
Icy Stratovolcano
51 Stratovolcano—Mount Adams 4:3 ratio, 7200x5400 pixels, no text
20190924-MountHood-_Mount Hood, active stratovolcano, Mount Hood National Forest, Oregon. (USDA Forest Service photo by Cecilio Ricardo)
61 Stratovolcano—Mount St. Helens 4:3 ratio, 7200x5400 pixels, no text
Stratovolcano Party
Stratovolcanoes (a.k.a. composite volcanoes)
Subduction Zone Stratovolcano
51 Stratovolcano—Mount Adams 4:3 ratio, 7200x5400 pixels

Key Facts

Location
Found in long lines where Earth's plates meet.
Made Of
Alternating layers of hardened lava and ash.
Eruption Style
Often explosive with thick, sticky lava.
Fun Fact
Stratovolcanoes are also called composite volcanoes because they are made of many different layers!

Meet the Cone-Shaped Giants!

Stratovolcanoes are like super tall, pointy mountains that look like ice cream cones. They are built up over a long time from layers of hardened lava and ash, like stacking pancakes! These volcanoes are often found in long lines, like a necklace of mountains, where the Earth's giant puzzle pieces are pushing together. They can be found all over the world, standing tall against the sky.

When Volcanoes Get Grumpy!

Sometimes, stratovolcanoes get really excited and erupt! Their lava is super thick and sticky, like honey. This means it doesn't flow very far before it cools down and hardens. When they erupt, they can shoot ash and rocks high into the air, sometimes making a big boom! Famous ones like Mount Vesuvius in Italy have had huge eruptions.

Layers of Awesome!

The name 'stratovolcano' comes from the word 'strata,' which means layers. Think of a layer cake! These volcanoes are made of many different layers of cooled lava and volcanic ash. It's not always neat, sometimes the layers are a bit mixed up, like a messy but delicious cake! This makes them strong but also ready to rumble.

Volcanoes Far and Wide!

Stratovolcanoes are super common! Scientists have found over 700 of them that have erupted in the last 11,700 years. Some are even older than dinosaurs! While we know about many on Earth, scientists are even looking for them on other planets like Mars. Imagine a volcano on another world!

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Based on content from Wikipedia · Licensed under CC BY-SA 4.0