Krasheninnikov (Kamchatka, Russia): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.
Canlaon (Central Philippines): (27 Oct) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20251027/0548Z FL090 EXTD NW REPORTED OBS VA DTG:27/0720Z
Ibu (Halmahera, Indonesia): (26 Oct) 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 NW direction.
The full report is as follows: VA TO FL080 OBS AT 26/2140Z OBS VA DTG:26/2140Z to 8000 ft (2400 m)
Semeru (East Java, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA OBS TO FL140 AT 26/2350Z EST VA DTG:27/0910Z
Dukono (Halmahera): (26 Oct) 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: VA TO FL060 MOV WNW AT 26/2210Z OBS VA DTG:26/2210Z to 6000 ft (1800 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 and is moving at 10 kts in SW direction.
The full report is as follows: NEW VA EMS OBS 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 16000 ft (4900 m) altitude or flight level 160 .
The full report is as follows: FRQT LGT VA EMS to 16000 ft (4900 m)
Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS RPRTD
Sangay (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: PSBL LGT VA EM
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 and is moving at 5 kts in SW direction.
The full report is as follows: CONT VA EMS OBS to 15000 ft (4600 m)
Planchón-Peteroa (Central Chile and Argentina): (27 Oct) The new eruption at Planchón-Peteroa volcano is also visible from space by detecting from Sentinel-1 and Sentinel-2 acquisition on 26 October.
…27 Oct:
The Argentine Geological and Mining Service (SEGEMAR) reported that a new eruption started at the volcano on 25 October.
At about 06:50 AM local time, dense ash emissions have been rising about 600 meters above the crater in the north-northwest direction.
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