This video captured the swirling wind vortexes that formed on the very first day of the eruption at Halemaʻumaʻu Crater on ...

An arc of seismic faults, the “Ring of Fire” saw two large earthquakes in 2009, which triggered tsunami waves that killed at least 192 people in Samoa, American Samoa and Tonga, according to ...

The U.S. Geological Survey recently highlighted a phenomenon at Hawaii’s erupting Kilauea volcano that it termed a “volnado.” ...

The world’s most active volcano and earthquake zone is roaring to life, leading to potential of “the big one” – and a catastrophic tsunami wave.

Many of the world’s biggest earthquakes, volcanic eruptions and tsunamis occur along a chain of seismologically active regions that encircle the Pacific Ocean.

Kamchatka is situated within the "ring of fire," making earthquakes and resulting tsunamis and volcanic eruptions far more common and likely than in other, less tectonically active areas of the world.

An undersea volcano erupted near the island nation of Tonga, prompting a tsunami advisory for California, Oregon, Washington and Hawaii.

Russian volcano erupts after centuries of dormancy, spewing hot ash into sky and triggering 7.0-magnitude earthquake with tsunami warning on Kamchatka Peninsula.

The powerful shaker and tsunami flooded a fishing port, cut power to a few areas and sent some panicked residents fleeing buildings but caused only a few injuries.

The National Tsunami Warning Center issued a tsunami advisory for American Samoa after another undersea volcano eruption near the island of Tonga. While the volcano has been erupting for the past ...

Dubbed the “land of fire and ice,” Kamchatka is one of the most active volcanic regions on Earth. It has about 300 volcanoes, with 29 of them still active, according to NASA’s Earth Observatory.