Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: FVFE01 at 01:16 UTC, 21/12/19 from RJTD VA ADVISORY DTG: 20191221/0116Z VAAC: TOKYO VOLCANO: SAKURAJIMA [AIRA CALDERA] 282080 PSN: N3136 E13039 AREA: JAPAN SUMMIT ELEV: 1117M ADVISORY NR: 2019/685 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: EXPLODED AT 20191221/0110Z OVER FL050 STNR OBS VA DTG:…