Volcanic hazards
Lesson 7 / 12
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I can explain what pyroclastic flows, ash and lahars are and relate this to real life examples.
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Volcanic eruptions can lead to a range of hazards, such as pyroclastic flows, ash and lahars.
Pyroclastic flows are flows of hot volcanic gases, ash and rock.
Ash is made up of tiny pieces of volcanic rock and glass, this can damage lungs, machines, crops and buildings.
Lahars are mudflows caused by volcanic material mixed with water.
Mount Semeru (Java, Indonesia) erupted in 2021, triggering damaging pyroclastic flows, ashfall and lahars.
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