
Sakurajima (Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20250321/1701Z OVER FL060 EXTD SE OBS VA DTG:21/1700Z
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 05 kts in SW direction.
The full report is as follows: VA TO FL070 REPORTED AT 21/0907Z EST VA DTG:21/1450Z to 7000 ft (2100 m)
Lewotobi (Flores): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: DISCRETE VA TO FL530 AND FL400. CONTINUOUS VA TO FL100.
…20 Mar:
A new, very strong eruptive phase began at the volcano at 20:30 local time tonight and is still ongoing at the time of this update.
The activity of the volcano accelerated at 22:56 local time, and produced a tall ash column rising about 8 km above the summit that is drifting west and southwest, according to the local volcano observatory. The Volcanic Ash Advisory Center (VAAC) Darwin issued a warning to aviation about of an ash plume rising possibly to even higher altitudes of up to 53,000 ft (approx. 16 km).
… [read more]
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 21/1739Z EST VA DTG:21/1910Z
Dukono (Halmahera): (21 Mar) 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 05 kts in SE direction.
The full report is as follows: VA TO FL070 LAST REPORTED AT 21/0157Z EST VA DTG:21/0820Z to 7000 ft (2100 m)
White Island (New Zealand): Volcanic Ash Advisory Center Wellington (VAAC) issued the following report: NO REPORTED ACTIVITY IN THE LAST 6 HRS OBS VA DTG:21/0902Z
Santiaguito (Guatemala): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 .
The full report is as follows: FQT VA EMS to 13000 ft (4000 m)
Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: STEAM AND GASES ONLY
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: VA ACT IN WEBCAM to 15000 ft (4600 m)
Nyamuragira (DRCongo): (20 Mar) The volcano’s lava lake continues to be highly active and illuminates an impressive steam plume rising from it, seen from afar including the city of Goma. The activity remains confined within the volcano’s summit caldera.
Volcano Activity Summary for 21 Mar 2025:
