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Volcanic activity worldwide 1 Dec 2020: Fuego volcano, Popocatépetl, Semeru, Dukono, Sangay, Lewoto...

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTED AT 20201201/1626Z FL060 EXTD W OBS VA DTG:01/1620Z

Lewotolo (Lesser Sunda Islands): 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: CONTINUOUS VA EMISSION TO FL100 MOV NE. to 10000 ft (3000 m)

Semeru (East Java, Indonesia): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Darwin 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 EMISSION TO FL200 MOV E. to 20000 ft (6100 m)
...1 Dec:
The effusive-explosive eruption of the volcano continues at very elevated levels, following the intense activity already present during the past few days.
According to the Semeru volcano observatory of Indonesia's volcano monitoring agency (PVMBG), this activity has now entered the stage of producing pyroclastic flows, recorded since 28 November. Pyroclastic flows are hot avalanches of fragmented hot material, both large and small (ash) particles, extremely mobile as they mix with volcanic gasses and ambient air to become gravity-driven currents reaching high velocities.
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These also called "block-and-ash flows" are likely caused by gravitational collapse of the lava dome in the inner summit crater as well as the lava flow on the steep slope of the volcano. They have been traveling over the southeastern slopes and formed huge secondary ash clouds (so-called phoenix) clouds, as can be seen in the images.
Earlier today, a very high eruption column was recorded tonight at about 03:00 local time that reached approx. 50,000 ft (15,200 m) altitude and drifted SW.


Dukono (Halmahera): (1 Dec) 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 .
The full report is as follows: CONTINUOUS VA EMISSION TO FL070 MOV E. to 7000 ft (2100 m)

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 and is moving at 20 kts in E direction.
The full report is as follows: NEW VA EMS to 20000 ft (6100 m)

Fuego (Guatemala): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA EMS HAS DISP

Telica (Nicaragua): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 5000 ft (1500 m) altitude or flight level 050 and is moving at 20-25 kts in SW direction.
The full report is as follows: NEW VA EMS OBS to 5000 ft (1500 m)
...1 Dec:
Low-level eruptive activity of the volcano continues by near-constant ash emissions recorded during the 30 November.
The activity at the crater has been mostly small-to-moderate only, but near-constant a lot in frequency of explosions as INETER surveillance camera observed.
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According to Volcanic Ash Advisory Center (VAAC) Washington an ash plumes reached approx. 5,000 ft (1,500 m) altitude and drifted SW.


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 and is moving at 10 kts in W direction.
The full report is as follows: PSBL LGT CONT VA to 20000 ft (6100 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 NW direction.
The full report is as follows: continuous ash emissions to 23000 ft (7000 m)

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