A major Yellowstone eruption likely won’t happen for thousands, and potentially millions, of years. Scientists say that the magma underneath Yellowstone is mostly solid and not eruptible. One study ...

Yellowstone National Park sits atop one of Earth’s largest volcanic systems, and right now that system is slowly reshaping the ground. Instruments show that the Yellowstone caldera is inflating into a ...

Shortly before 10 a.m. on July 23, 2024, a violent hydrothermal blast ripped through Biscuit Basin in Yellowstone, hurling mud and steam into a towering plume estimated at 400 to 600 feet high. The ...

A sideways flow of hot mantle rock, not a deep plume rising from near Earth’s core, may be feeding one of the planet’s most closely watched supervolcanoes. That is the picture emerging from a new ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week’s contribution is from Jamie Farrell, associate research ...

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A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...