Since AD 1000 , Kelut has erupted more than 30 times , of which the largest eruption was at scale 5 on the Volcanic Explosivity Index ( VEI ) .
Merapi has erupted more than 80 times .
Since AD 1000 , Kelut has erupted more than 30 times , of which the largest eruption was at scale 5 on the Volcanic Explosivity Index ( VEI ) , while Merapi has erupted more than 80 times .