Kikai weighed in at 7 on the standard volcanic explosivity index (VEI), which runs from 1 to 8, VEI 8 being reserved for the sort of mega-eruptions that cause ice ages and mass extinctions.
Kikai火山的标準火山爆炸性指数(VEI)为7。ve I分为1到8八个等级,而VEI8则用来描述那种造成冰期和大规模灭绝的火山爆发。