Volcanoes

• Volcano


  A rupture or opening in the surface of a planet, such as Earth, from which hot lava, volcanic ash, and gases escape from underground
• Volcanoes

  • Most often found where tectonic plates are diverging or converging
• Mt. Mayon


  • The most active volcano in the Philippines
  • Erupted over 47 times in the past 500 years with the most destructive recorded on February 1, 1814
• Pacific Ring of Fire


  Horseshoe-shaped belt that includes the Pacific Coast of South and North America, and some islands such as the Philippines
• Lava


  Magma that is expelled out of the volcano and reaches the earth's surface
• Magma Chamber


  A large pool or reservoir where molten rock (magma) is stored before it erupts
• Active Volcanoes


  Volcanoes that are erupting, likely to erupt, or showing signs of possible eruption
• Dormant Volcanoes


  Volcanoes that have not erupted for thousands of years but are likely to erupt in the future
• Extinct Volcanoes


  Volcanoes that have no records of their eruption and have no magma supply anymore (magma chamber has been dried up)
• Magmatic eruption


  When volcanoes release gas and magma during an eruption
• Phreatomagmatic eruption


  When volcanoes release water and magma during an eruption
• Phreatic eruption


  When volcanoes release water and rocks during an eruption