A 3.0-magnitude earthquake shook the western part of Washington on Tuesday, Feb. 18, the U.S. Geological Survey reported. The ...

Volcanoes are nature’s dramatic expressions of Earth's inner turmoil, shaping landscapes and influencing climates. Some countries, particularly those along the Pacific Ring of Fire , experience ...

A swarm of more than 100 shallow earthquakes at Alaska's Mount Spurr that began Sunday night and ran to Monday morning ...

Fear and uncertainty loom large over how much smaller the federal workforce in Hawaii will become under an unfolding ...