The Axial Seamount, located 300 miles off Oregon's coast, shows signs of eruption. Experts assure it won't affect land or ...

Discover everything about the Cascade Range mountains. Check their location, volcanoes, climate, and importance across ...

Whenever Mt. Hood erupts, Portland will be glad to have David George. As a U.S. Geological Survey mathematician, George models landslides and lahars at the Cascades Volcano Observatory in Vancouver, ...

Mount Rainier’s seismic sensors showed unusual activity for several days, prompting widespread attention online, but experts told KIRO 7 News the readings came from a malfunctioning instrument rather ...

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 ...

CASCADES VOLCANO OBSERVATORY — 'First, Mt. Saint Helens is NOT erupting.' That was the message from the National Weather Service office in Portland this morning. NWS says volcanic ash from when Mt. St ...