Sakurajima (Kyushu, Japan): (16 Jan) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20250116/2126Z OVER FL070 EXTD SE OBS VA DTG:16/2120Z
Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20250117/1123Z FL060 EXTD SE OBS VA DTG:17/1120Z
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 10 kts in SW direction.
The full report is as follows: VA TO FL070 REPORTED AT 17/1718Z EST VA DTG:17/1810Z to 7000 ft (2100 m)
Lewotobi (Flores): (17 Jan) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA ERUPTION TO FL090 LAST REPORTED AT 16/1310Z
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 and is moving at 10 kts in E direction.
The full report is as follows: VA TO FL150 REPORTED AT 17/0710Z EST VA DTG:17/2040Z to 15000 ft (4600 m)
Santiaguito (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: FREQUENT VA EMS to 15000 ft (4600 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 and is moving at 10 kts in W direction.
The full report is as follows: ONGOING VA EMS. to 15000 ft (4600 m)
Nevado del Ruiz (Colombia): (16 Jan) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 20000 ft (6100 m) altitude or flight level 200 .
The full report is as follows: POSS VA EMS to 20000 ft (6100 m)
Sangay (Ecuador): (17 Jan) 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 .
The full report is as follows: PSBL VA EMS to 22000 ft (6700 m)
Reventador (Ecuador): (17 Jan) Mild explosive activity continues from the volcano. The Volcanic Ash Advisory Center (VAAC) Washington reported intermittent emissions of volcanic ash plumes.
The full report is as follows: sporadic emissions of volcanic ash
Nyamuragira (DRCongo): (17 Jan) The effusive eruption within the caldera continues.
Judging from the Sentinel-1 and Sentinel-2 satellite acquisitions, the active lava lake continues to occupy the summit crater as the lava wells up from below through a vent or several vents. Since late October November, lava flows stopped extending the crater on the western and northwestern rim and have remained confined within the main caldera as it’s being confirmed by the radar from Sentinel-1.
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Volcano Activity Summary for 17 Jan 2025:
