Beneath Yellowstone lies a magma reservoir, pulsing with molten and superheated rock and exsolved gases. Scientists have long known about the chamber’s existence, but have yet to precisely locate its ...

Geologists have come up with multiple lines of evidence indicating that the Bushveld Complex in South Africa functioned as a 'big magma tank' in the ancient Earth's crust. An international group of ...

Most volcanoes form at the boundaries of Earth's tectonic plates, which are huge slabs of crust and upper mantle that fit together like puzzle pieces. Think of these plates as massive rafts floating ...

Anaheim, Calif., USA: For over a century, the concept of a shallow magma chamber—a large magma-filled cavity just ~5 km under the base of a volcano—has been the foundation for igneous petrology and ...

Scientists aboard the research drilling ship JOIDES Resolution have, for the first time, drilled into a fossil magma chamber under intact ocean crust. There, 1.4 kilometers beneath the sea floor, they ...

Deep below the Earth's surface, magma is churning and flowing into the Axial Seamount, an underwater shield volcano about 300 miles off the coast of Oregon. As the volcano grows and tremors increase, ...