Sierra Nevada (stratovolcano) facts for kids
Quick facts for kids Sierra Nevada |
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Sierra Nevada and Lake Conguillío.
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| Highest point | |
| Elevation | 2,554 m (8,379 ft) |
| Geography | |
| Location | Chile |
| Parent range | Andes |
| Geology | |
| Mountain type | Stratovolcano |
| Last eruption | Unknown |
Sierra Nevada is a large stratovolcano located in the La Araucanía Region of Chile. It stands near the famous Llaima volcano. This impressive mountain is part of the Andes mountain range.
Sierra Nevada is known for its beautiful surroundings. It is found within the Conguillío National Park. This park is famous for its ancient forests and stunning lakes.
Contents
What is Sierra Nevada?
Sierra Nevada is a type of volcano called a stratovolcano. These volcanoes are tall and cone-shaped. They are built up over many eruptions of lava, ash, and rocks. Think of them like a giant layer cake made of volcanic materials.
When Did Sierra Nevada Erupt?
Scientists believe Sierra Nevada's last major eruptions happened a very long time ago. This was during a period called the Pleistocene epoch. This time ended about 11,700 years ago. Some activity might have continued into the Holocene epoch, which is the time we live in now. However, its last certain eruptions were in the distant past.
What Comes Out of This Volcano?
When Sierra Nevada erupted, it mostly produced two types of lava. These are called andesitic and basaltic flows.
- Andesitic lava is thick and sticky. It flows slowly.
- Basaltic lava is more runny. It can flow faster and spread out.
Besides lava, the volcano also released pyroclastic flows. These are fast-moving currents of hot gas and volcanic rock. They can be very dangerous.
What are Lahars?
Another danger from this volcano is something called Lahars. A lahar is a type of mudflow. It happens when volcanic ash and rocks mix with water. This water can come from melting snow or heavy rain. Lahars can flow quickly down the volcano's slopes. They can carry away trees, bridges, and buildings.
Where is Sierra Nevada Located?
Sierra Nevada is located in the southern part of Chile. It is in the La Araucanía Region. This area is known for its many volcanoes and beautiful natural landscapes. The volcano is a key feature of Conguillío National Park. This park is a protected area. It is home to unique plants and animals.
See also
- List of volcanoes in Chile
