Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: FVFE01 at 11:31 UTC, 19/12/19 from RJTD VA ADVISORY DTG: 20191219/1131Z VAAC: TOKYO VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080 PSN: N3136 E13039 AREA: JAPAN SUMMIT ELEV: 1117M ADVISORY NR: 2019/680 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20191219/1125Z FL100 EXTD SE OBS VA DTG:…