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The Legend
Structure of a Volcano
Types of Volcanoes
How a Volcano Erupts
Hot Spots
Types of Eruptions
Volcanic Features
Effects of Eruptions
Prediction of Danger
Advantages
Case Studies
Review Questions
  
Impacts and Effects

     The sudden violence of volcanic eruptions causes catastrophe and devastation.  Various notorious eruptions of volcanoes in the past, such as Mount Pelée, Tambora, Krakatau and Pinatubo have demonstrated the devastating impact of volcanic activity on nearby landscapes and communities.  Many people got killed.  A big number of people had to abandon their homes and land forever.  Even the whole world's climate was changed for a while as a result of an eruption!

     These effects of volcanic eruptions are mostly the result of certain hazardsVolcanoes provide different hazards during an eruption.  Each hazard poses different risks affecting different areas.  The most threatening hazards include: