Most people think of volcanoes as either erupting or not. The reality is considerably more unsettling. The classification of ...

Volcanoes are often judged by the size of their eruptions, but volcanologists measure danger ...

A scalding-hot pool of mineral water is shown at the Long Valley Caldera in 2019 near Mammoth Lakes. (George Rose / Getty Images) One of California's riskiest volcanoes has for decades been undergoing ...

Campi Flegrei is speeding toward a transition, which will either cause an eruption or a change to its underground magma chamber.

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.

What about Yellowstone Caldera interesting facts? Let’s take a look at these Yellowstone Caldera facts. Supervolcano Status: The Yellowstone Caldera is often referred to as a supervolcano due to its ...

Caldera formation arises when large volumes of magma are evacuated from a sub-surface reservoir, leading to gravitational collapse of the overlying rock into the evacuated space. The process begins ...

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 ...