JMA reported that an explosion at Minamidake summit crater (at Aira Caldera?s Sakurajima volcano) occurred at 1637 on 27 November, and generated an ash plume that rose 2 km above the crater rim.
Nighttime crater incandescence was sometimes visible during 27 November-1 December.
Very small events occurred at Minamidake Crater on 1 December, and at Showa Crater during 2-3 December.
The Alert Level remained at 3 (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)