We amateur volcanologists are few in number because we tend to die frequently - …

We amateur volcanologists are few in number because we tend to die frequently - that is, we only die once but in high numbers. Aso has a large lake. If the gasses emitted from the volcano are white, it’s simply the water blowing off, so no worry; if the gasses are darker in color, that’s bad.Below is a photo of the lake in the Aso’s caldera and a video explaining the phenomenon. https://www.youtube.com/watch?v=UlySYYjXdJI - William