e/Akahoya eruption

Information
has gloss	eng: The Akahoya eruption was the strongest known volcanic eruption of the Kikai Caldera in Kyūshū, Japan. It ejected about of volcanic material, giving it a 7 on the Volcanic Explosivity Index. The Akahoya eruption is one of only five known eruptions reaching that magnitude during the Holocene. It dramatically changed vegetation in Southern Kyūshū.
lexicalization	eng: Akahoya eruption
instance of	c/Volcanic events