Klyuchevskoy (Kamchatka): (4 Feb) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20200204/0646Z FL180 EXTD E REPORTED OBS VA DTG:04/0640Z Ebeko (Paramushir Island): (3 Feb) Volcanic Ash Advisory Center Tokyo (VAAC) issued the following report: ERUPTION AT 20200203/2115Z FL090 EXTD ESE REPORTED OBS VA DTG:03/2130Z Aso (central Kyushu, Japan): Volcanic Ash…