JMA reported that at 0641 on 5 April and explosion at Minamidake Crater (at Aira Caldera?s Sakurajima volcano) produced an ash plume that rose as high as 3 km above the crater rim and ejected material 800-1,000 m away from the crater.
Five explosions were recorded during 9-12 April.
The highest ash plume rose 2.1 km and bombs were ejected as far as 900 m from the crater.
Crater incandescence was visible nightly.
The Alert Level remained at 3 (on a 5-level scale).
Source: Japan Meteorological Agency (JMA)
Karymsky (Russia)