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 10 kts in E direction. The full report is as follows: FVFE01 at 00:55 UTC, 13/04/19 from RJTD VA ADVISORY DTG: 20190413/0055Z VAAC: TOKYO VOLCANO: SHEVELUCH 300270 PSN: N5639 E16122 AREA: RUSSIA SUMMIT…