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The once destructive volcano named Krakatau, or Krakatoa, was located
in South East Asia, just off the coast of Indonesia, between the Islands of Java and Sumatru.
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| Map of Krakatau (Son of Krakatau) |
Click for
an interactive excersice on volcanoes!
A volcano is an explosion that occurs when a great amount of pressure builds beneath the earth’s crust. This building strain of intense lava or gases is able to escape through a fissure
or vent. (Answers.com n.d.)
Indonesia is home to over 130 active volcanoes. "They compromise
the axis of the Indonesian island arc system, which is generated by northeastward subduction of the Indo-Australian plate"
(Krakatau, Indonesia 1883 n.d).
This map illustrates the many volcanoes that are present along the contour
of the two largest islands, Java and Sumatru, located just outside Indonesia.
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| Location and Plate-Tectonic Setting (Krakatau, Indonesia, 1883) |
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Before the explosion of the island of Krakatau, the land mass was also
home to 3 other volcanoes as well. These included, Perboewatan, Danan, and Rakata.
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| Physiography Before and After the 1883 Eruption (Krakatau, Indonesia 1883) |
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| Physiography Before and After the 1883 Eruption (Krakatau, Indonesia 1883) |
When the eruption of Krakatau occurred, the blast was so enormous that
Perboewatan and the Danan volcanoes both completely collapsed taking half of Rakata with them.
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