JMA reported that nighttime incandescence at Minamidake Crater (at Aira Caldera?s Sakurajima volcano) was visible during 8-15 August.
The seismic network recorded 33 eruptive events and 12 explosions.
Volcanic plumes rose as high as 2.5 km above the crater rim and material was ejected large ballistics as high as 1.7 km above the summit.
The Alert Level remained at 3 (on a 5-level scale), and residents were warned to stay 2 km away from the crater.
Source: Japan Meteorological Agency (JMA)