California and the entire West Coast from Washington to the Mexico border were under a tsunami advisory after an 8.8 quake rocked Russia earlier in the day. The estimated arrival time for San ...

California has no shortage of geological marvels, many tucked within one of the state's national parks. But to view a fossilized, dry waterfall formed hundreds of thousands of years ago from an ...

Scientists can’t predict exactly when or where California will face the next Big One. But they can make forecasts based on past earthquakes and calculate probabilities for seismic activity in the ...

There are a number of scenarios where California could get hours of lead time ahead of a damaging tsunami. But should a quake strike close to shore, there could be little to no warning. Tsunami hazard ...

The Cooperative National Geologic Map offers a complete and detailed look at the bedrock and fault systems of the continental United States. The first geological map of the United States was published ...

Geological maps are integral to understanding the Earth and other rocky planetary bodies. As technological advances enable the geological mapping of extreme terrestrial and planetary environments, we ...

California’s tsunami warning on Thursday after the 7.0-magnitude earthquake off the Humboldt County coast was quickly canceled. But it was a reminder of the hazards facing residents and visitors along ...