Aso (central Kyushu, Japan): Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: POSS ACTIVITY CONT. VA CLD UNKNOWN AT 20191018/1800Z Sakurajima (Kyushu, Japan): (18 Oct) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: EXPLODED AT 20191018/0525Z OVER FL060 STNR OBS VA DTG:18/0510Z Karangetang (Siau Island, Sangihe Islands, Indonesia): Explosive activity…