Separating Oregon and Washington, the Columbia River Gorge has long been a nature lover's paradise. Now winemakers and ...

Expect extremely hot weather (highs near 98 °F) and a Heat Advisory in Magnolia on Sunday, July 20, 2025. ISS flyovers ...

Although researchers did predict the Axial Seamount would erupt in 2025, people on the Pacific coast shouldn't worry about its impact. Axial's eruptions are akin to the ones in Hawaii in which runny ...

Archaeologists use obsidian to determine how far people traveled on ancient trade routes across Wyoming. Each obsidian flake ...

A seismologist from Seattle discussed recent volcanic activity across the United States. Here's what you should know.

Heading to the Pacific Northwest, Skagit Valley in Washington state nabbed second spot. With low air pollution and over 6,000 ...

The so-called earthquake swarm at Mount Rainier dwindled Friday but has surpassed the last large event at the volcano in 2009, the USGS said.

The series of earthquakes is the first major swarm of seismic events since 2009. Is it safe if you’re planning on visiting?

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

More than 300 earthquakes have erupted at Washington's Mount Rainier this week, the largest earthquake swarm at the volcano ...

Dozens of small earthquakes, ranging from 0.1 to 1.7 magnitude, rumbled at Mount Rainier Tuesday morning, with nearly 100 recorded by the Pacific Northwest Seismic Network. While earthquake swarms ...