Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: FVFE01 at 00:02 UTC, 23/01/20 from RJTD VA ADVISORY DTG: 20200123/0002Z VAAC: TOKYO VOLCANO: ASOSAN 282110 PSN: N3253 E13106 AREA: JAPAN SUMMIT ELEV: 1592M ADVISORY NR: 2020/91 INFO SOURCE: HIMAWARI-8 JMA AVIATION COLOUR CODE: NIL ERUPTION DETAILS: POSS ACTIVITY CONT. VA CLD UNKNOWN AT 20200123/0000Z OBS VA DTG: 22/2340Z…