Ash rises to 14 km (46 000 feet) above sea level.
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 46000 ft (14000 m) altitude or flight level 460 .
Thanks to Laurel for this link
“Still no airplane diversions required,” says Laurel. “Covid= plane free skies.”