The Axial Seamount, an underwater volcano located about 300 miles off the coast of Oregon, is displaying behavior that ...

The event took place during the last gasp of the Little Ice Age, one of the coldest periods on Earth in the past 10,000 years. While the year of this historic eruption was known, the volcano’s ...

The seamount is the most active submarine volcano in the northeast Pacific, and researchers have been monitoring it for the last 30 years, during which it has erupted three times, Chadwick said.