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 25 kts in W direction. The full report is as follows: FVFE01 at 06:00 UTC, 10/01/19 from RJTD VA ADVISORY DTG: 20190110/0600Z VAAC: TOKYO VOLCANO: SHEVELUCH 300270 PSN: N5639 E16122 AREA: RUSSIA SUMMIT…