Klyuchevskoy (Kamchatka): (6 Dec) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 23000 ft (7000 m) altitude or flight level 230 and is moving at 20 kts in NE direction.
The full report is as follows: VA AT 20201206/0120Z FL230 EXTD NE OBS VA DTG:06/0120Z to 23000 ft (7000 m)

Suwanose-jima (Ryukyu Islands): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20201206/1611Z VA CLD UNKNOWN OBS VA DTG:06/1610Z

Manam (Papua New Guinea): (6 Dec) 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 .
The full report is as follows: VA ERUPTION TO FL080 MOV SW OBS 06/0010Z OBS VA DTG:06/0040Z to 8000 ft (2400 m)

Lewotolo (Lesser Sunda Islands): 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 .
The full report is as follows: ONGOING VA EMISSION TO FL080 MOV SE OBS VA DTG:06/1520Z to 8000 ft (2400 m)

Dukono (Halmahera): 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 OBS AT 06/0900Z MOV ESE to 7000 ft (2100 m)

Popocat?petl (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 .
The full report is as follows: CONTG CONS VA EMS. to 22000 ft (6700 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: OCNL EM to 15000 ft (4600 m)

Reventador (Ecuador): Volcanic Ash Advisory Center Washington (VAAC) issued the following report: VA NOT DETECTED

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 and is moving at 15 kts in NW direction.
The full report is as follows: PUFF EMISSIONS to 25000 ft (7600 m)

Nevados de Chill?n (Central Chile): Volcanic Ash Advisory Center Buenos Aires (VAAC) issued the following report: WV EMISSION

Pel?e (West Indies, France): The Martinique Volcano Observatory has raised Pel?e's alert level to Yellow due to an increase in seismicity under the volcano beginning in April 2019, and observations of tremor last month.
As far as is known, this is the first sign of activity since the end of the 1929-32 eruption. This volcano is of course highly dangerous, and great vigilance of its activity is requires. Whether or not it is going to enter a new eruptive period is currently unknown.
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