mount etna

• Mount Etna


  Largest active volcano in Europe, located in Sicily.
• Eruption Frequency


  Mount Etna erupts almost once per year.
• Eruption Count


  At least 190 eruptions in 2700 years.
• 2002 Eruption Date

  Eruption occurred on October 26, 2002.
• Location


  Between Messina and Catania, Sicily.
• Plate Tectonics


  Located at African and Eurasian plate boundary.
• Subduction


  African plate subducts beneath Eurasian plate.

  
• Stratovolcano


  Upper half formed from volcanic collision.
• Shield Volcano


  Base formed by continental rifting.
• Lava Composition


  Basaltic, hot, fluid, and runny lava.
• Lava Flow Distance


  Can flow 10-15 miles down slopes.
• Lava Temperature


  Can reach up to 2000 degrees Celsius.
• Magma Viscosity


  Low silica content results in low viscosity.
• Population Density


  Over 1 million live on Etna's flanks.
• Perception of Risk


  Residents feel safe due to monitoring.
• Fertile Soil


  Volcanic ash provides nutrient-rich soil.
• Tourism Impact


  Tourism benefits from volcanic activity.
• Economic Loss


  140 million euros lost from agricultural jobs.
• Evacuations


  1000 people evacuated from residential areas.
• Monitoring Techniques


  Gas, thermal imaging, and seismic monitoring.
• INGV Role


  Instituto Nazionale di Geofisica e Vulcanologia monitors activity.
• Response to Eruptions


  Italian Army used concrete blocks to divert lava.