Volcanic activity worldwide 8 Oct 2025: Semeru volcano, Shiveluch, Ibu, Marapi, Reventador, Sangay, …

Map of today's active volcanoes

Map of today’s active volcanoes

Shiveluch (Kamchatka): (8 Oct) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 15 kts in NE direction.
The full report is as follows: POSS ERUPTION OBS AT 20251008/0130Z FL230 EXTD NE OBS VA DTG:08/0150Z to 23000 ft (7000 m)

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20251008/1220Z FL060 EXTD W OBS VA DTG:08/1210Z

Ibu (Halmahera, Indonesia): 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 .
The full report is as follows: VA TO FL060 REP FM GND AT 08/1109Z MOV NE OBS VA DTG:08/1109Z to 6000 ft (1800 m)

Lewotobi (Flores): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 22000 ft (6700 m) altitude or flight level 220 .
The full report is as follows: VA TO FL220 OBS AT 08/1300Z MOV NW OBS VA DTG:08/1300Z to 22000 ft (6700 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 8000 ft (2400 m) altitude or flight level 080 .
The full report is as follows: VA TO FL080 OBS AT 08/0630Z MOV NW EST VA DTG:08/0910Z to 8000 ft (2400 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 14000 ft (4300 m) altitude or flight level 140 .
The full report is as follows: VA TO FL140 LAST REP AT 08/0955Z MOV SW EST VA DTG:08/1040Z to 14000 ft (4300 m)
…8 Oct:
The explosive-extrusive eruption of the volcano continues.
The active lava dome within the Jonggring Saloko crater continues to grow with viscous fresh magma rising into it, making the dome vividly glowing. Near-frequent glowing rockfalls continue to tumble down from the lava dome towards the base of the edifice.
… [read more]

Marapi (Western Sumatra, Indonesia): 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 08/1950Z MOV E OBS VA DTG:08/1950Z to 14000 ft (4300 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 .
The full report is as follows: VA EMS CONT to 21000 ft (6400 m)

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: LKLY VA EMS

Volcano Activity Summary for 8 Oct 2025: