Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 18000 ft (5500 m) altitude or flight level 180 and is moving at 20 kts in E direction. The full report is as follows: FVFE01 at 12:00 UTC, 14/01/19 from RJTD VA ADVISORY DTG: 20190114/1200Z VAAC: TOKYO VOLCANO: SHEVELUCH 300270 PSN: N5639 E16122 AREA: RUSSIA SUMMIT…