SAN FRANCISCO -- Tsunami advisories have been lifted for California after an undersea volcanic eruption Saturday near the Pacific nation of Tonga. That eruption Saturday sent a plume of ash, gas, and ...

WELLINGTON, New Zealand — The tsunami threat around the Pacific from a huge undersea volcanic eruption has begun to recede, while the extent of damage to Tonga remains unclear. The eruption on ...

Submarine volcanoes, volcanic structures hidden beneath the ocean surface, play a vital role in shaping Earth’s geology and marine ecosystems. Formed through tectonic plate movements, rising magma, ...

What I fear is that when a tsunami hits, people sit and film with their cameras.' ...

As part of a growing national effort -to understand seafloor hazards, scientists from the United States Geological Survey’s Volcano Science Center are working across agencies to investigate how ...

In January 2022, a tsunami advisory was issued for the West Coast of the U.S. from California to Alaska after an underwater volcano eruption in the South Pacific. In Ventura, the strong tsunami swells ...

The Axial Seamount, an underwater volcano off the Pacific northwest coast, has been showing signs of an impending eruption, researchers at Oregon State University said The volcano has seen an increase ...

Analysis has shown a boulder weighing almost 1,200 tons in Tonga is one of the largest known wave-transported rocks in the world, providing new insights into the Pacific region's history and risk of ...

Machine generated contents note: Section 1 Progress in Deep Underwater Geology Around Hawaii --Introduction to Section 1 -- Jiro Naka --Deepwater Multibeam Sonar Surveys Along the Southeastern Hawaii ...