Ebeko (Paramushir Island): KVERT reported that about 7 km E of the volcano, they observed explosions during 15-17 December. Ash plumes reached 10,000 ft (3,000 m) and drifted E, causing ashfall in Severo-Kurilsk during 16-17 December. Aso (central Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ACTIVITY CONT. VA AT 20191228/1800Z FL060 EXTD NE OBS VA…