Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: FVFE01 at 06:04 UTC, 21/12/19 from RJTD VA ADVISORY DTG: 20191221/0604Z VAAC: TOKYO VOLCANO: ASOSAN 282110 PSN: N3253 E13106 AREA: JAPAN SUMMIT ELEV: 1592M ADVISORY NR: 2019/614 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: ACTIVITY CONT. VA AT 20191221/0600Z FL060 EXTD E OBS VA DTG: 21/0550Z OBS VA…