Monster Volcano Lurking Off U.S. Coast Could Erupt Any Day

A massive volcano is silently building pressure beneath the Pacific—and could blow at any moment. The Axial Seamount, located 300 miles off Oregon’s coast and nearly a mile underwater, has swelled to the same level seen before its last eruption in 2015. That event triggered 8,000 earthquakes and sent lava flows surging across the seafloor. […]