Shiveluch (Kamchatka): (12 Mar) Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Tokyo warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 and is moving at 25 kts in SE direction. The full report is as follows: POSS ERUPTION OBS AT 20190312/0100Z FL120 EXTD SE OBS VA DTG:12/0150Z to 12000 ft (3700 m) Aso (central Kyushu,…
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