JMA reported that nine events at Minamidake crater (at Aira Caldera?s Sakurajima volcano) were recorded during 26 November-3 December, producing ash plumes that rose as high as 1.8 km above the crater rim.
Incandescence was periodically visible at night.
An explosion at 0218 on 1 December generated a plume that rose 2.5 km and ejected tephra 1.1 km from the crater.
The Alert Level remained at 3 (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)