California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

A 4.5 magnitude earthquake and other smaller quakes rocked the Humboldt County coastline in Northern California on Feb. 11 and 12. What's happening?

G eologists are closely monitoring Mount Spurr in the Aleutian Arc of Alaska, USA, after continued volcanic unrest. The Alaska Volcano Observatory (AVO) monitoring the situation says that an eruption ...

A colossal volcano in Alaska is likely to erupt soon, scientists warn. Mount Spurr, an 11,000-foot-tall volcano on the Cook Inlet about 75 miles from Anchorage, has a 50-50 chance of spewing out hot ...