Not many details at this stage, just news of an eruption at Mount Aso.

Scale unknown

Added:

  • volcanic activity alert issued by the Japan Meteorological Agency
  • Level: 3 (Do not approach the volcano)
  • Mount Aso in Kumamoto Prefecture erupted at around 11:43 a.m. local time on Wednesday, 20 October 2021
Not many details at this stage, just news of an eruption at Mount Aso.

Japan's 5 level alert system:

japan volcano alert llevels