Geology and Minerals

Akahoya eruption

The Akahoya eruption or Kikai-Akahoya eruption was the strongest known volcanic eruption of the Kikai Caldera in Kyūshū, Japan occurring c. 5250 BCE. It ejected 332–457 km3 (80–110 cu mi) of volcanic material, giving it a Volcanic Explosivity Index of 7.

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See also

• ▸Basalt
• ▸Egyptians
• ▸Flint

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