These sleeper volcanos pose greater threat than Yellowstone, Mount Etna: expert

University of Birmingham volcanologist Mike Cassidy argued that the biggest danger could come, not from Yellowstone and Mount Etna, but from hidden volcanoes that appear dormant and are barely monitored. AP

It’s the quiet ones you have to watch out for.

Contrary to popular belief, it’s not the big-name volcanoes like Yellowstone and Mount Etna in Sicily that pose the greatest threat. A UK volcanologist argued that the biggest danger could come from hidden volcanoes that appear dormant and are barely monitored.

“Often overlooked, these ‘hidden’ volcanoes erupt more often than most people realize,” wrote Mike Cassidy, a professor of geography and environmental science at the University of Birmingham, in a recent piece for t he Conversation. “In regions like the Pacific, South America a