Map of today's active volcanoesIbu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL070 AT 21/1456Z MOV NE EST VA DTG:21/1600ZLewotobi (Flores): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 11000 ft (3400 m) altitude or flight level 110 .The full report is as follows: VA OBS TO FL110 AT 21/2000Z MOV WNW OBS VA DTG:21/2000Z to 11000 ft (3400 m)Lewotolo (Lesser Sunda Islands): (21 Sep) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .The full report is as follows: VA TO FL070 OBS AT 21/0210Z MOV NW OBS VA DTG:21/0210Z to 7000 ft (2100 m)Semeru (East Java, Indonesia): (20 Sep) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 .The full report is as follows: VA TO FL140 OBS AT 20/2140Z MOV SW OBS VA DTG:20/2140Z to 14000 ft (4300 m)Marapi (Western Sumatra, Indonesia): (21 Sep) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REP TO FL130 AT 21/0628Z EST VA DTG:21/0650ZDukono (Halmahera): (21 Sep) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 7000 ft (2100 m) altitude or flight level 070 .The full report is as follows: VA OBS TO FL070 MOV NE AT 21/0230Z OBS VA DTG:21/0230Z to 7000 ft (2100 m)Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 and is moving at 20 kts in W direction.The full report is as follows: CONS LGT VA EMS. to 22000 ft (6700 m)Fuego (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 15000 ft (4600 m) altitude or flight level 150 .The full report is as follows: INTMT TO OCNL VA EMS. to 15000 ft (4600 m)Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 and is moving at 5 kts in NE direction.The full report is as follows: OCNL VA EMS. to 21000 ft (6400 m)Reventador (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 5 kts in N direction.The full report is as follows: OCNL TO FRQT VA EMS. to 14000 ft (4300 m)Volcano Activity Summary for 21 Sep 2025: