No two volcanic eruptions are exactly alike, but scientists think a series of explosive eruptions at Kīlauea volcano fit into a whole new category. By analyzing the dynamics of 12 back-to-back ...

Mount Etna is like no other volcano on Earth, new research finds. In fact, the volcano may have formed in a bizarre way, reminiscent of how some seamounts, called petit-spot volcanoes, grow on the ...

Underwater sound travels extremely efficiently over long distances as hydroacoustic signals known as tertiary waves, or ...

A new type of volcano has been discovered in the western Pacific Ocean. The findings may reduce the strength of a popular theory of “hotspot” volcanism, researchers say. Naoto Hirano at the Tokyo ...

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 ...

California has seven active volcanoes, each with a unique eruption history, categorized by type and threat level. The USGS monitors these volcanoes, providing information to authorities and the public ...