Shiveluch (Kamchatka): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: NOT PROVIDED
…12 Apr:
The volcano is dominated by ongoing strong vulcanian-type explosions and generally continues at highly elevated levels after the dramatic paroxysm activity yesterday.
Intermittent, but relatively vigorous eruptions have generated grey, still spectacular billowing ash plumes over the past 24 hours. Tall and dense columns sent fine volcanic ash up to 12 km, 10 km and 8,5 kilometers in height. The original ash plume from the massive eruption yesterday has extended about 1300 km to the east of the volcano.
Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20230412/1430Z FL060 EXTD S OBS VA DTG:12/1430Z
Ibu (Halmahera, Indonesia): (11 Apr) 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: CONTINUOUS VA TO FL060 MOV NE OBS AT 11/2240Z to 6000 ft (1800 m)
Semeru (East Java, Indonesia): (11 Apr) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: DISCRETE VA TO FL140 REPORTED MOV NE AT 11/2153Z
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: LRG VA EMS to 19000 ft (5800 m)
Nevado del Ruiz (Colombia): 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: VA EMS OBS to 22000 ft (6700 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: FRQT VA EMS to 21000 ft (6400 m)
Reventador (Ecuador): (12 Apr) The effusive-explosive eruption of the volcano continues and has remained essentially unchanged.
Near-constant vulcanian explosions continue to take place from the summit crater that reached 4,6 km (15,000 ft) height and drifted into various directions, but most often to northeast, northwest and west.
… [read more]
Cotopaxi (Ecuador): 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: VA EMS REPORTED to 22000 ft (6700 m)
Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires 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 E direction.
The full report is as follows: continuous ash emissions to 23000 ft (7000 m)
Volcano Activity Summary for 12 Apr 2023:
