Asosan (Japan) - Report for 15 January-21 January 2020

JMA reported that eruptive activity at Asosan was recorded during 7-20 January.
Plumes rose 0.9-1 km above the crater rim during 15-20 January and caused ashfall in areas downwind; the Tokyo VAAC reported that ash plumes mainly drifted S, SE, E, and NE.
The Alert Level remained at 2 (on a scale of 1-5).

Sources: Japan Meteorological Agency (JMA) ,Tokyo Volcanic Ash Advisory Center (VAAC)