The magma reservoir of the largest volcanic eruption of the Holocene is refilling. This Kobe University insight on the Kikai caldera in Japan allows us to understand giant caldera volcanoes like ...

Hunga Tonga created the largest volcanic eruption of the 21st century—then cleaned up its own mess.

The 1980 Mount St. Helens eruption remains the deadliest in U.S. history, fundamentally changing how scientists monitor ...

The entire northern face of Mount St. Helens gave way on the morning of May 18, 1980 ...

Following a changeable and – at times – wintry last few weeks, the thought of snow in May, sunless skies in June and and a pandemic by July is too much to bear. But two centuries ago, something very ...

When massive volcanic eruptions occur, they inject millions of tons of sulfur dioxide into the stratosphere, where it forms sulfate aerosols that scatter incoming solar radiation and result in global ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

We know very little about the processes that lead to a reeruption of supervolcanoes such as the mostly underwater Kikai caldera in Japan (pictured) and are therefore ill-equipped to make predictions.