KRAKATAU

Home
Location
Anak Krakatau
Interesting Tid Bits
Photos
Sources

"On Monday, August 27, 1883, the mountain that had been grumbling and groaning for the previous ninety-nine days finally exploded itself into utter and complete oblivion."  (Winchester, S. 2003, 204)

krak.jpg
Image of Krakatoa (washingtonpost.com)

"For sixty million years the two tectonic plates that converge on Java had been grinding slowly and steadily toward each other, four inches every year...that would be consequent upon all those years of subterreanean shifting and sliding was at last about to occur." (Winchester, S. 2003, 204)

 
 
Krakatau is a unique geological event that occurred over 100 years ago.  This massive explosion was the cause of nearly 40,000 deaths, major tidal waves and more than "3 cubic miles of flowing magma" (O'Hanlon 2007).

Mount Krakatau was positioned in a very unique location on earth.  Its large magma source was the cause of "one of the largest tectonic plate collision zones" (O'Hanlon 2007). 
 
As the Australian Plate is being subducted beneath the Eurasian Plate, the amount of heat and pressure from the Earth's mantle causes seawater to bubble at extreme temperatures and boil upward. (O'Hanlon 2007).  The intense heat created in the layers of the earth is one of the primary causes of the magma.

subduction.gif
Island Arc Formed by Oceanic-Oceanic Subduction (Subduction Zone Volcanism)

By: Rachel Roy