Klyuchevskoy (Kamchatka): (4 Dec) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20201204/0426Z FL230 EXTD NE REPORTED OBS VA DTG:04/0420Z
Ebeko (Paramushir Island): (3 Dec) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20201203/2150Z FL100 EXTD E REPORTED OBS VA DTG:03/2150Z
Sakurajima (Kyushu, Japan): (4 Dec) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA AT 20201204/0803Z 10NM SW OF RJFK FL050 EXTD SE
Suwanose-jima (Ryukyu Islands): (4 Dec) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20201204/0747Z FL050 EXTD S OBS VA DTG:04/0740Z
Ibu (Halmahera, Indonesia): (4 Dec) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA REPORTED TO FL070 AT 07/0617Z OBS VA DTG:04/0801Z
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: VA TO FL100 OBS AT 03/2310Z MOV W OBS VA DTG:04/1320Z to 10000 ft (3000 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: VA EMISSION TO FL070 OBS MOV E OBS VA DTG:04/1620Z to 7000 ft (2100 m)
Kilauea (Hawai’i): According to Hawaiian Volcano Observatory (HVO) an increase of seismic activity has been recorded during 29 Nov-3 Dec.
On 29-30 November the seismic instruments recorded over 80 earthquakes located southwest of the volcano at depths 6.5 km that continued for 11 hours.
… [read more]
Korovin (Andreanof Islands, Aleutian Islands): (4 Dec) The Alaska Volcano Observatory (AVO) reported that Aviation Color Code and Alert Level was decreased to GREEN/NORMAL earlier today.
Unrest that began in late October has subsided. Seismic activity is at background levels and satellite observations show no signs of activity. Steaming is not unusual at Korovin and meteorological conditions can enhance the visibility of these emissions.
Source: Alaska Volcano Observatory volcano activity update 4 December 2020
Popocatépetl (Central Mexico): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows: ONGOING VA EMS. to 21000 ft (6400 m)
Pacaya (Guatemala): The effusive-explosive eruption of the volcano continues.
The lava flow on the southwestern eruptive fissure has increased in length, currently about 525 m long.
… [read more]
Fuego (Guatemala): (4 Dec) 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: CONTG VA EMS. to 15000 ft (4600 m)
Telica (Nicaragua): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 4000 ft (1200 m) altitude or flight level 040 .
The full report is as follows: NEW VA EMS. to 4000 ft (1200 m)
Sangay (Ecuador): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 21000 ft (6400 m) altitude or flight level 210 .
The full report is as follows: ONGOING VA EMS. to 21000 ft (6400 m)
Reventador (Ecuador): (3 Dec) 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 CLDS OBS IN STLT IMAGERY to 14000 ft (4300 m)
Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 28000 ft (8500 m) altitude or flight level 280 and is moving at 10 kts in S direction.
The full report is as follows: UNABLE TO DETECT to 28000 ft (8500 m)
Volcano Activity Summary for 4 Dec 2020:
