Just the other day, scientists studying a super volcano issue, over on the Italian coastline of Naples, Italy said that the 24 crater Caldera might likely explode and wipe out millions of people nearby. They don't know when it will happen, but there is a lot of red flags present in the environment, that point to the fact that the explosion will happen soon.
https://weather.com/science/nature/n...-campi-flegrei