VEI 6 - Krakatoa, Indonesia

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  • Created by: Pho3b301
  • Created on: 10-03-17 21:42

VEI 6 - Krakatoa, Indonesia

  • Indonesia - between Sumatra & Java 
  • Population - 250 million 
  • Eurasian & Indoaustralasian plates (IA under E)
  • 1883 - first global catastrophy 
  • Anak Krakatoa - new island formed in 1920's 
  • 20 hours of continuous eruption 
  • Pyroclastic flows travelled across water to Sumatra - 150mph
  • Killed thousands 
  • Blew Island apart 
  • Caused tsunami - waves up to 37m, Destroyed 295 towns/villages in Sunda Strait, 36417 drowned 
  • Pyroclastic flows caused by 4 explosions, 4th explosion caused tsunamis 
  • Blew away northern 2/3 of the island 
  • Collapse of unsupported chamber formed a huge underwater caldera 
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VEI 6 - Krakatoa, Indonesia

  • Waves so powerful they threw 600 tonnes of coral blocks ashore 
  • Warship carried 3km inland 
  • Telok Batong - waves up to 22m submerged village 
  • Village of Sirik was almost entirely swept away 
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