Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Anchorage warned about a volcanic ash plume that rose up to estimated 45000 ft (13700 m) altitude or flight level 450 and is moving at 215 kts in SE direction. The full report is as follows: FVAK21 at 23:57 UTC, 18/04/19 from PAWU VAAAK1 VA ADVISORY DTG: 20190418/2357Z VAAC: ANCHORAGE VOLCANO: OPALA 300080 PSN: N5233 E15720 …