Geologists say Hawaii’s Kilauea volcano shot lava as high as 1,000 feet into the air during its most recent eruptive episode.

Beneath the Earth’s surface are ticking time bombs ... The second supervolcano is the Long Valley Caldera in eastern California, which last erupted approximately 100,000 years ago.

Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes National Park at 9:26 a.m., the U.S ...

The Long Valley Caldera, one of the largest volcanic systems in the U.S., has been shaking and rising, with over 2,000 earthquakes detected in just six months. But here’s the twist—it’s not ...