Beneath Earth s surface, nearly 3,000 kilometers down, lies a mysterious layer where seismic waves speed up inexplicably. For ...

Tsunamis pose a risk to the entirety of the California coast. But should a major one strike, how bad could it be?

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s ...

A near-certain disaster looms for California, but there are real things people can do to prepare. Here's what to know about ...

Diversified Consulting was the only company responding to a request for proposals to do the study that will cost roughly $250 ...

On Feb. 19, the geology community lost one of our pillars ... he quickly turned his attention to Humboldt County, walking miles over unmapped areas and sending students to complete senior theses ...

The project has been reviewed for potential impacts on the environment, water resources, biological resources, energy use, access, geological ... Record No. The County of Humboldt is considering ...

The most recent risk assessment, outlined in maps that were published by the ... The magnitude 7 quake Dec. 5 off the Humboldt County coast — which prompted a tsunami warning affecting millions ...

Ryan Derby, director of Humboldt County’s Office of Emergency ... the California Geological Survey’s website with interactive ...

Concentrated in Humboldt County, it shook the coast north of Eureka to the Mendocino County border, according to USGS maps. Three smaller quakes followed throughout the night, the last (3.0 or ...

A magnitude 4.1 earthquake struck off the Northern California coast after midnight on Tuesday, the U.S. Geological Survey said. Several smaller quakes followed. The magnitude 4.1 quake hit at 12: ...

A small aftershock rumbled near Petrolia Friday evening, a day after a magnitude 7.0 earthquake struck off the coast of Humboldt County and ... according to the U.S. Geological Survey.