An earlier version of this story was published in 2024. It looks like just another hill in Sussex County, but you wouldn’t have wanted to have been standing there 420 million years ago. That’s about ...

A volcano that erupted after being asleep for more than 100,000 years is leading more volcanologists to say we must redefine ...

Scientists conducting an oceanic survey in Indonesia to try to better understand how a tsunami occurs discovered an undersea volcano off Sumatra. A team including members of Indonesia's Agency for the ...

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 ...