Shiveluch (Kamchatka): Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 17000 ft (5200 m) altitude or flight level 170 and is moving at 25 kts in SE direction. The full report is as follows: VA CONTINUOUSLY OBS IN SATELLITE IMAGERY OBS VA DTG:23/1120Z to 17000 ft (5200 m) Aso (central Kyushu, Japan): Volcanic Ash…