Klyuchevskoy (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 and is moving at 10 kts in E direction.
The full report is as follows: VA EMISSIONS CONTINUING OBS VA DTG:30/1120Z to 20000 ft (6100 m)
Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 20 kts in E direction.
The full report is as follows: POSS ERUPTION OBS AT 20250730/1750Z FL120 EXTD E OBS VA DTG:30/1810Z to 12000 ft (3700 m)
Kirishima (Kyushu): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: POSS ACTIVITY CONT. VA CLD UNKNOWN AT 20250730/1200Z
Ibu (Halmahera, Indonesia): 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 and is moving at 15 kts in W direction.
The full report is as follows: VA TO FL070 REPORTED AT 30/1232Z EST VA DTG:30/1640Z to 7000 ft (2100 m)
Lewotolo (Lesser Sunda Islands): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 6000 ft (1800 m) altitude or flight level 060 and is moving at 10 kts in W direction.
The full report is as follows: VA TO FL060 REPORTED AT 30/1141Z EST VA DTG:30/1150Z to 6000 ft (1800 m)
Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin 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: VA TO FL150 OBS AT 30/1150Z EST VA DTG:30/1710Z to 15000 ft (4600 m)
Dukono (Halmahera): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: CVGHM REPORT CONTINUOUS ERUPTION AT 30/1531Z
Shishaldin (Aleutian Islands, Alaska): (29 Jul) Volcanic Ash Advisory Center Anchorage (VAAC) issued the following report: NO ERUPTION. VA NOT IDENTIFIABLE FM SATELLITE DATA.
Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows: LGT VA EMS SEEN IN SAT to 19000 ft (5800 m)
Nevado del Ruiz (Colombia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows: VONA RPRT AND SEEN IN SAT to 19000 ft (5800 m)
Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: POSS VA EMS CONTG
Reventador (Ecuador): 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: FQT VA EMS SEEN IN SAT to 15000 ft (4600 m)
Volcano Activity Summary for 30 Jul 2025:
