Volcanic activity worldwide 1 Feb 2023: Santiaguito volcano, Fuego, Popocatépetl, Semeru, Shiveluch...

Shiveluch (Kamchatka): (31 Jan) 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 10 kts in N direction.
The full report is as follows: ERUPTION AT 20230131/2008Z FL200 EXTD N REPORTED OBS VA DTG:31/2030Z to 20000 ft (6100 m)

Chikurachki (Paramushir Island): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 10000 ft (3000 m) altitude or flight level 100 and is moving at 20 kts in NE direction.
The full report is as follows: POSS VA EMISSIONS CONTINUING OBS VA DTG:01/1720Z to 10000 ft (3000 m)

Suwanose-jima (Ryukyu Islands): (1 Feb) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 5000 ft (1500 m) altitude or flight level 050 and is moving at 20 kts in E direction.

The full report is as follows: ERUPTED AT 20230201/0003Z FL050 EXTD NE OBS VA DTG:01/0030Z to 5000 ft (1500 m)

Semeru (East Java, Indonesia): (1 Feb) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION OBS ON WEBCAM EST VA DTG:31/2340Z

Epi (Vanuatu): (1 Feb) A new vigorous submarine explosion occurred at the volcano this morning.
Judging from available images, it was likely a phreatomagmatic eruption, generating a black dense ash column accompanied by a billowing round-shaped white-to-grey phoenix cloud, i.e. water and magma driven. Significant explosive interaction might be caused by presence of water.
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Pyroclastic material rose about 100 meters above sea level.
Preceded the eruption, local people reported a steam emitting from the submarine volcano, a tell-tale sign of an impending eruption.


Popocatépetl (Central Mexico): 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: VA EMS OBS to 20000 ft (6100 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 .
The full report is as follows: VA EMS OBS to 14000 ft (4300 m)

Fuego (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 .
The full report is as follows: MINOR VA EMS to 15000 ft (4600 m)

Sangay (Ecuador): 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: VA EMS OBS to 20000 ft (6100 m)

Reventador (Ecuador): (1 Feb) 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), occasionally 4,9 km (16,000 ft) height and drifted into various directions, but most often to southwest and northwest.
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The lava flow on the northeastern flank remains active.


Cotopaxi (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 24000 ft (7300 m) altitude or flight level 240 .
The full report is as follows: POSS VA EMS to 24000 ft (7300 m)

Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 25000 ft (7600 m) altitude or flight level 250 .
The full report is as follows: INTERMITTENT EMISSIONS to 25000 ft (7600 m)

Volcano Activity Summary for 1 Feb 2023: