For three days, a remote volcano off the Pacific Northwest coast has been shaking almost nonstop, a deep rumble beneath the ocean that has ricocheted across social media as a supposed warning shot for ...

A major earthquake rattled the Oregon Coast near a highly active Pacific Northwest volcano, which experts say could erupt at any moment. The US Geological Survey (USGS) recorded a magnitude 4.2 ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

Washington state may not have to worry about hurricanes, but it is volcano country. The United States has 161 active volcanoes – all in the western U.S. – but only 18 are classified as a "very high ...