Karymsky (Kamchatka): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.
Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 10 kts in SE direction.
The full report is as follows: VA AT 20210820/1910Z FL120 EXTD SE OBS VA DTG:20/1910Z to 12000 ft (3700 m)
Suwanose-jima (Ryukyu Islands): (20 Aug) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: VA IS NOT IDENTIFIABLE IN SATELLITE IMAGERY.
Langila (New Britain, Papua New Guinea): (19 Aug) 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 TO FL080 MOV WNW OBS AT 19/2130Z OBS VA DTG:19/2130Z to 8000 ft (2400 m)
Merapi (Central Java, Indonesia): (19 Aug) Volcanic Ash Advisory Center Darwin (VAAC) issued the following report: VA TO UNKNOWN HEIGHT ON WEBCAM AT 19/2308Z OBS VA DTG:19/2308Z
White Island (New Zealand): (20 Aug) A gas measuring flight, thermal and visual observations from helicopter were made at the volcano by the local observatory last week to bolster currently degraded automated monitoring systems.
These measurements and observations show that the maximum active vent temperatures remain high at around 520°C. The GeoNet New Zealand continues to observe a night glow in webcam images.
… [read more]
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: NEW 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 19000 ft (5800 m) altitude or flight level 190 .
The full report is as follows: OCL LIGHT VA EMS to 19000 ft (5800 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: OCL LIGHT VA EMS to 15000 ft (4600 m)
Sabancaya (Peru): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 24000 ft (7300 m) altitude or flight level 240 and is moving at 10 kts in VRB direction.
The full report is as follows: INTERMITTENT EMISSIONS to 24000 ft (7300 m)
Volcano Activity Summary for 20 Aug 2021:
