Volcanic activity worldwide 27 Jan 2023: Popocatépetl volcano, Krakatau, Semeru, Shiveluch, Reventa...

Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 13000 ft (4000 m) altitude or flight level 130 and is moving at 30 kts in NE direction.
The full report is as follows: VA AT 20230127/1820Z FL130 EXTD NE OBS VA DTG:27/1820Z to 13000 ft (4000 m)

Nishino-shima (Volcano Islands, Japan): (27 Jan) New aerial images of the current volcano activity have been captured by the Japan Coast Guard (JCG) on 25 January.
From available pictures, the activity seems to have increased a bit since the last update. Passive dense grey ash emissions have appeared from the main vent accompanied by near-frequent degassing.

Source: Japan Coast Guard volcano activity update 27 January 2023

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20230127/1107Z FL050 EXTD SE OBS VA DTG:27/1100Z

Kadovar (Northeast of New Guinea): (27 Jan) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin warned about a volcanic ash plume that rose up to estimated 5000 ft (1500 m) altitude or flight level 050 .
The full report is as follows: DISCRETE VA OBS TO FL050 MOV W AT 27/0350Z. to 5000 ft (1500 m)

Krakatau (Sunda Strait, Indonesia): Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: ERUPTION REPORTED BY GROUND OBSERVER OBS VA DTG:27/1450Z

Semeru (East Java, Indonesia): (26 Jan) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin 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 TO FL140 MOV NW AT 26/2234Z. to 14000 ft (4300 m)

Popocatépetl (Central Mexico): 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 and is moving at 20 kts in NE direction.
The full report is as follows: VA EMS OBSD to 22000 ft (6700 m)

Nevado del Ruiz (Colombia): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS/CLDS NOT OBSD

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: ONGOING VA EMS to 20000 ft (6100 m)

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: NEW VA EMS OBS to 15000 ft (4600 m)

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: POSS VA EMS to 22000 ft (6700 m)
...27 Jan:
The explosive activity at the volcano continues with near-frequent small to moderate ash emissions and intermittent larger vulcanian-type eruptions.
According to the Volcanic Ash Advisory Center (VAAC) Washington, ash column heights have ranged between 6,1 and 7,3 km altitude over the past few days and drifted in the south-west, north-west and north direction.
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The MOUNTS system registered a flux of sulfur dioxide (SO2) emissions which reached 215 tonnes on 25 January.


Sabancaya (Peru): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: UNABLE TO DETECT

Lascar (Northern Chile): (27 Jan) Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: VA NOT IDENTIFIABLE FM STLT DATA

Villarrica (Central Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: PUFF EMISSION OF VA
...27 Jan:
The intense strombolian activity at the volcano continues.
It's been picking up at about 09:00 PM local time last, which in turn into another vigorous lava-fountaining episode (paroxysm). The phase ended up at 05:30 AM local time this morning.
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The height reached by some lava jets surpassed 120 meters throwing hot, fresh and incandescent ejecta onto the upper slopes of the edifice.
Sounds were being heard from Coñaripe, about 17 km in distance from the top of the volcano.

Volcano Activity Summary for 27 Jan 2023: