Ambae volcano on Vanuatu erupts to 41,000ft
Popocateptl volcano in Mexico erupts to 21,000ft
Purace volcano in Colombia erupts to 18,000ft
Sinabung volcano in Indonesia erupts to 17,000ft
Feugo volcano in Guatemala erupts to 15,000ft
Reventador volcano in Ecuador erupts to 15,000ft
Semeru volcano in Indonesia erupts to 15,000ft
Sakurajima volcano on Japan erupts to 10,000ft