A colossal volcano lurks beneath the Pacific, poised to erupt. Axial Seamount, roughly 300 miles off Oregon’s coast, is no ordinary volcano. It stands tall, nearly 3, 600 feet high, fueled by Earth's fiery mantle. This underwater giant sits atop the Juan de Fuca Ridge, where two massive tectonic plates slowly drift apart. This constant motion builds pressure, making ...

The Pacific Northwest is home to a powerful underwater volcano. This volcano is called the Axial Seamount. It is located 300 miles off the coast of Oregon. It is also more than 4, 900 feet below the surface of the Pacific Ocean. The Axial Seamount is a mile-wide volcano. It is one of the most active volcanoes in the region. It last erupted in 2015. This eruption caus...