Sakurajima (Kyushu, Japan): (25 Jan) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20250125/2247Z FL080 EXTD SE OBS VA DTG:25/2240Z
Canlaon (Central Philippines): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20250126/1551Z FL090 EXTD W REPORTED OBS VA DTG:26/1550Z
Ibu (Halmahera, Indonesia): 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 LAST REPORTED 26/1440Z MOV E EST VA DTG:26/1540Z to 8000 ft (2400 m)
Lewotobi (Flores): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION REPORTED AT 26/1025Z EST VA DTG:26/1040Z
Lewotolo (Lesser Sunda Islands): 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 REPORTED MOV NW EST VA DTG:26/1100Z to 7000 ft (2100 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 and is moving at 10 kts in N direction.
The full report is as follows: VA TO FL150 LAST REPORTED 26/1759Z EST VA DTG:26/1840Z to 15000 ft (4600 m)
Marapi (Western Sumatra, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 .
The full report is as follows: VA TO FL120 REPORTED AT 26/1214Z MOV NW EST VA DTG:26/1800Z to 12000 ft (3700 m)
Kilauea (Hawai’i): (26 Jan) The eruption of Kīlauea within Halemaʻumaʻu crater came to a pause at 12:36 p.m. HST on January 25, 2025, as lava flows from the north vent ceased.
Episode 6, which began at 11:28 p.m. on January 24, lasted just over 13 hours. During this time, the lava fountains gradually diminished throughout the morning, eventually covering nearly half of Halemaʻumaʻu crater’s floor before the eruption paused. Seismic tremor subsided, and deflationary tilt halted around noon, approximately 30 minutes prior to the pause.
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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: ONGOING VA EMS to 19000 ft (5800 m)
Santiaguito (Guatemala): 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 10 kts in W direction.
The full report is as follows: CONT LGT VA EMS to 14000 ft (4300 m)
Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA HAS DSIPTD.
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 .
The full report is as follows: DISCRETE VA EM. to 23000 ft (7000 m)
Reventador (Ecuador): (25 Jan) 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 .
The full report is as follows: RCNT VONA RPRT to 14000 ft (4300 m)
Volcano Activity Summary for 26 Jan 2025:
