Volcanic Eruption

• Volcanic eruption: one of the most dangerous ang dramatic natural disaster
• Active volcano: volcano that had atleast one record of eruption for atleast 10,000yrs
• Effusive: feature the outpouring of lava without significant explosive eruption
• Explosive: characters by the gas driven explosion that propels magma and tephra
• 3 meta types

  • Magmatic eruption(hydro volcano eruption)
  • Phreatomagmatic eruption
  • Phreatic eruption
• Hawaiian: calmness eruption type And famous for producing fire fountain
• Strombolian: when the gas bubbles breaks they can produce large bubbles(gas slug) which can grow into size large enough to rise
• Vulcanian: named after italian island named volcano
• Vulcanian also believed to be the home for god of fire(hephaestus)
• Pelean: called naée ardente
• Pelean happens when there is a large quality of dust, gas, and ash
• Pelean is one of the most volcanic activity in the world
• Plinian: most explosive and powerful of all eruption
• Surtseyan is also called island surtsey
• Surtseyan is near the surface of water
• Surtseyan happens when the undersea water became matured
• Submarine eruption: surface of the water
• Subglacial eruption is also called glacio volcanism
• Subglacial volcano occurs to the summit and has ice
• Phreatic eruption is also called steam blast eruption
• Phreatic eruption: driven by explosive expanded steams resulting from cold ground or surface water coming into contact with hot or magma