Axial Seamount is a young, 30 million-year-old undersea volcano in the Pacific Ocean off the U.S. coast, and it’s expected to ...

An Oregon State University scientist has predicted a volcanic eruption in 2025. But at about one mile under the ocean, the ...

Thanks to a dense array of sensors on the volcano’s summit and flanks, scientists know that Axial Seamount has been swelling with magma and getting taller, a sign that it’s ready to go off.