Suwanose-jima (Ryukyu Islands): (30 Jul) 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 15 kts in SE direction.
The full report is as follows: VA EMISSIONS CONTINUING OBS VA DTG:30/0520Z to 13000 ft (4000 m)
…30 Jul:
The explosive activity of the volcano is accompanied by moderately strong eruptions during the past few weeks.
A phase of intense activity occurred at 16:54 local time yesterday as the situation quickly worsened by a sudden, very strong and intense explosion.
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Lewotolo (Lesser Sunda Islands): (30 Jul) Strombolian-type explosions at the volcano continue and are accompanied by still continuing bush fires.
Fires started to illuminate on 28 July a few minutes after midnight as incandescent material reached local vegetation at the summit area. A constant smoke glow is well visible at night as seen in the attached video.
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Dukono (Halmahera): (29 Jul) 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 and is moving at 05 kts in SE direction.
The full report is as follows: CONTINUOUS WEAK VA EMISSION TO FL070 EXT SE to 7000 ft (2100 m)
Pagan (Mariana Islands): (30 Jul) The U.S. Geological Survey (USGS) reported that ground-based observations from local residents indicate that there were felt earthquakes and a light emission from Pagan volcano at about 14:30 local time on July 28.
This represents a departure from background activity and therefore the Aviation Color Code/Volcano Alert Status for Mount Pagan is being changed to YELLOW/ADVISORY.
… [read more]
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: VA SEEN IN SAT. 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 22000 ft (6700 m) altitude or flight level 220 and is moving at 35 kts in SE direction.
The full report is as follows: INTERMITTENT EMISSIONS to 22000 ft (6700 m)
Nevados de Chillán (Central Chile): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Buenos Aires warned about a volcanic ash plume that rose up to estimated 14000 ft (4300 m) altitude or flight level 140 and is moving at 40 kts in SE direction.
The full report is as follows: INTERMITTENT EMISSIONS to 14000 ft (4300 m)
Volcano Activity Summary for 30 Jul 2021:
