The current eruption at Kīlauea in Hawai'i that started just before Christmas is still rolling along. The activity from the major vents on the edge of the Halema'uma'u crater has waxed and waned some, ...

A spectacular proof of our planet's activity, calderas are huge topographic depressions, similar to flat-bottomed craters, with a diameter of several tens of kilometres. They are formed by large ...

Magma chambers function both as repositories for melt rising through the crust and as reservoirs that feed individual volcanic eruptions. During silicic caldera-forming eruptions, these functions ...

The McDermitt Caldera is 16.4 million years old, and this specific caldera formation measures 45 kilometers in length and 35 kilometers in circumference. The McDermitt Caldera eruption is believed to ...

September 14, 2014: A plane flies over the Bardarbunga volcano in southeast Iceland as it spews lava and smoke Bernard Meric/AFP The 2014 eruption of Iceland's Bardarbunga volcano was the biggest seen ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Michael Poland, geophysicist with the ...