Klyuchevskoy (Kamchatka): (11 Apr) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA AT 20250411/0349Z FL200 EXTD W MOV 20KT REPORTED
Bezymianny (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 25 kts in N direction.
The full report is as follows: POSS ERUPTION OBS AT 20250411/1750Z FL200 EXTD N OBS VA DTG:11/1820Z to 20000 ft (6100 m)
Ibu (Halmahera, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA LAST REPORTED AT 11/1205Z EST VA DTG:11/1240Z
Lewotobi (Flores): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 .
The full report is as follows: VA TO FL100 MOV NORTHWEST EST VA DTG:11/1830Z to 10000 ft (3000 m)
Lewotolo (Lesser Sunda Islands): (11 Apr) 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 NW direction.
The full report is as follows: VA TO FL070 REPORTED FM GND 11/0818Z,MOV W OBS VA DTG:11/0818Z to 7000 ft (2100 m)
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION LAST REPORTED AT 11/1300Z EST VA DTG:11/1330Z
Dukono (Halmahera): (11 Apr) 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 and is moving at 05 kts in SE direction.
The full report is as follows: VA OBS ON H9 SAT IMAGERY AT 11/0630Z, MOV SSE to 8000 ft (2400 m)
…11 Apr:
The eruptive activity of the volcano resumes.
At about 10:38 local time today, an explosion took place from the crater vent. A grey ash column released tephra material to an altitude of 1,300 meters towards the east.
… [read more]
Poas (Costa Rica): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VONA RPRT OF VA
Nevado del Ruiz (Colombia): 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: VONA RPRT OF VA to 20000 ft (6100 m)
Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NEW VA EMS
Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: POSS VA CONTG
Volcano Activity Summary for 11 Apr 2025:
