Mount Pinatubo was a tall mountain in the Philippines that was like a sleeping giant until it woke up in 1991 with a huge, noisy eruption, like a giant sneeze that sent ash high into the sky! This big eruption changed the land a lot, creating a lake at the top and covering everything in ash, even making the whole world a little cooler for a while. People live near Mount Pinatubo now and have learned to be careful, while scientists watch the mountain closely to make sure everyone stays safe.
For a long time, people didn’t know Mount Pinatubo was an active volcano!
Its 1991 eruption was one of the biggest volcanic eruptions of the 20th century!
The ash cloud from the eruption went so high up into the sky, it even affected the weather around the world for a bit!
When rain mixed with the ash, it created thick, gooey mud rivers called “lahars” that flowed down the mountain.
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