Bred krəst ˈbəb(ə)l n. Tiny, gas-filled beads of volcanic ash with a scaly surface. Scientists have identified a new type of volcanic ash that erupted from a volcano in central Oregon roughly 7 ...

This photo provided by the U.S. Geological Survey shows the summit lava lake of Hawaii's Kilauea volcano on May 6, 2018. By analyzing the dynamics of a string of explosions that happened during the ...

block: a solid rock fragment greater than three inches in diameter that is ejected from a volcano during eruption bomb: a partially molten lava fragment greater than three inches in diameter that is ...

Volcanoes can kill you in many different ways. Are you on their slopes? A volcanic avalanche of superheated ash and gas or a sneaky lava flow would do it. Far across the bay? A tsunami caused by a ...

A hiker exploring a lava tube on Mauna Loa, Island of Hawai'i, stumbled across two unexploded bombs, dropped on the active volcano 85 years ago in a failed attempt to divert a lava flow. An aerial ...

The sudden awakening of a volcano that had been quiet for roughly 12,000 years has transformed a remote corner of Ethiopia into a global focal point, as a towering ash plume shot into the sky like an ...