One of California’s riskiest volcanoes has for decades been undergoing geological changes and seismic activity, which are sometimes a precursor to an eruption, but — thankfully — no ...

The Earth is not always quiet. An isolated region of northeast California offers a land of boiling springs, steaming sulfur vents, mud pots and volcanoes. The boisterous geology of the southern Cas… ...

LASSEN VOLCANIC NATIONAL PARK, Calif.–The Cinder Cone looks brand-new. Its sides slant gracefully toward the pointed top, 700 feet above the lava-cluttered ground. But this is territory where… ...

While rare, Redding does get earthquakes strong enough for us to feel. Here's why Shasta and Siskiyou counties and the north Sacramento Valley shakes.

The US Geological Survey released its first report on volcanic threats since ... the Cinder Cone eruption in 1666, and the Lassen Peak eruption just about 100 years ago. 5 — Mount Shasta, ...

Lassen Peak exploded 103 years ago today, ... This map from the USGS shows the potential hazards from a Mount Rainier eruption. USGS. Timeline of eruptions of the major volcanoes of the Cascade Range.

The most recent of these was the Lassen Peak eruption of 1914 to 1917 in Northern California. ... Earthquakes Ring of Fire Volcanoes Maps USGS. Most read in World.