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 ...

Kilauea, located on Hawaii's Big Island, is showing signs of imminent activity, according to the Hawaiian Volcano Observatory ...

Geologists observing the Yellowstone supervolcano alongside other volcanic systems in the western United States have noted ...

The explosive Kikai caldera has been refilling with magma, prompting fears of another eruption. This situation is heating up. One of the world’s most volatile volcanoes is silently refilling with ...

Geologists monitoring the Yellowstone supervolcano and adjacent western US volcanic systems have detected increased ground ...

Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory ...

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 Toba supereruption 74,000 years ago was so massive it may have plunged Earth into years of darkness and cold, leading some scientists to believe humanity nearly went extinct. Yet archaeological ...

Episode 47 of the ongoing Halemaʻumaʻu eruption at the summit of Kīlauea ended abruptly at 12:27 a.m. HST on May 15. The ...