The Bay Area's worst shaker in 25 years revealed -- once again -- where the vulnerabilities are.
The San Francisco Public Utilities opened on Friday a new cement-encased, steel-lined tunnel that runs from Sunol Valley to Fremont. It will carry an average of 265 million gallons of water a day for customers of the Hetch Hetchy Water System Improvement Program, which consists of more than 80 projects to seismically retrofit and upgrade an 80-year-old water system serving 2.6 million people in the Bay Area.
Scientists must play catch-up to industry as we figure out ways to use the deep underground without triggering earthquakes.
Under pressure from a federal deadline and amid news reports that state regulators allowed oil companies to inject wastewater into aquifers clean enough to drink from, officials outlined plans for new safeguards.
The large asteroid Vesta has added flows of material rich in water to its bag of tricks. It's just one more way this small world acts like a proper planet.
Newest Earth science mission could extend the accuracy range of weather forecasts, fine-tune flood forecasts.
For geologists, even with the advent of modern technology, there are instances when older methods are more effective; picks and shovels are sometimes the best complementary tools available for trenching studies.
A reassessment of historical data suggests that compared to previous estimates, the world's sea level rose more slowly during the 20th centuryand is rising faster now.
A new way of measuring soil erosion in the geologically recent past, before modern civilization, may help put sustainable agriculture on a firmer footing.
A new set of rock dates have pushed volcanism back into the debate over the extinction of the dinosaurs.
The just-released seismic resiliency plan for Los Angeles goes beyond just saving lives; it hopes to ensure that the nation's second-largest city will still work after a magnitude 7.8 earthquake.
Thanks to a meteorite collected in 1879, we have finally given a name to the most abundant mineral in Earth. Here's why it took so long to christen this stuff.
The cutting edge in earthquake research is mapping our most important faults in three-dimensional detail. A new paper finds some key hidden links in the Bay Area's fault system.
If you want to go to Mars but can’t quite afford the hundreds of billions of dollars for a ticket, there is another solution: consider instead a trip to the Atacama Desert in Chile.
When a court convicted earthquake scientists of manslaughter, seismologists everywhere feared the worst for their own efforts at informing the public. After the convictions were overturned on appeal this week, experts, journalists and the general public can consider the wider lessons learned.
The iconic Tuolumne Meadows, in the high Sierra, is a geological puzzle. A newly published study traces the roots of the meadows to an incident deep in time and deep below the ground.
There’s a story in every grain of sand: tales of life and death, fire and water. If you scooped up a handful of sand from every beach, you'd have a history of the world sifting through your fingers. From mountain boulders to the shells of tiny ocean creatures, follow the journey that sand takes through thousands of years across entire continents to wind up stuck between your toes.