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Exploring Different Types of Volcanoes and Their Characteristics

Learn about shield volcanoes with low silica lava, composite volcanoes with high silica magma, and cindercones formed by "fire-fountain" eruptions. Discover examples like Mauna Loa in Hawaii and Mt. Fuji in Japan.

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Exploring Different Types of Volcanoes and Their Characteristics

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  1. Three Types of Volcanoes

  2. Shield Volcanoes • Low silica level • Low viscosity Lava • High or low levels of gas • Low to medium explosivity • Flattened mound • Resembles a warrior’s shield

  3. Mauna Loa, Hawaii

  4. Piton de la Fournaise

  5. Surtsey, Finland

  6. Composite Volcanoes • High in silica • High viscosity magma • High levels of gas • Highly explosive • Cone shaped • Formed by layers of lava and ash

  7. Mt. Rainier, Washington

  8. Mt. Fuji, Japan

  9. Mt. St. Helens, Washington

  10. Cindercones • Low silica lava • High levels of gas • “Fire-fountain” eruptions • Commonly found on the flanks of shield volcanoes • Made from a pile of rock pieces • Structurally weak

  11. Pu'u ka Pele, Hawaii(on the flanks of Mauna Loa)

  12. Floreana Island, Galapagos

  13. Puu OO, Hawaii

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