Airlines have been issued a ‘red notice’, barring them from flying over parts of Indonesia because of the eruption.
A red notice is issued when ash is in the atmosphere, and aircraft are not permitted to be in the airspace.
A Jetstar spokesman told Daily Mail Australia the
Authorities feared lava flows could cascade down the mountain and destroy homes, as has happened several times.
The volcano explodes so frequently, warning signs are permanently stationed around it warning against going near it.