'Hidden' Volcanoes Pose The Greatest Threat to The World, Scientists Warn

The next global volcanic disaster is more likely to come from volcanoes that appear dormant and are barely monitored than from the likes of famous volcanoes such as Etna in Sicily or Yellowstone in the US.

Often overlooked, these "hidden" volcanoes erupt more often than most people realise.

In regions like the Pacific, South America and Indonesia, an eruption from a volcano with no recorded history occurs every seven to ten years . And their effects can be unexpected and far-reaching.

One volcano has just done exactly that. In November 2025, the Hayli Gubbi volcano in Ethiopia erupted for the first time in recorded history (at least 12,000 years that we know of).

It sent ash plumes 8.5 miles into the sky, with volcanic material falling in Yemen and drifting into air space over