JMA reported that very small events occurred at Minamidake crater (at Aira Caldera?s Sakurajima volcano) during 7-9 February.
Crater incandescence from the summit crater was visible during 8-10 February.
An event at 2201 on 11 February generated a plume that rose 1 km above the crater rim.
The Alert Level remained at 3 (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)