San Andreas may be getting ready for an earthquake, say seismologists
Despite no solid signs of an earthquake, scientists predict that understated signals could indicate one will occur soon.
Damaging earthquakes could strike nearly 75% of the US, USGS map shows
California, Alaska and Hawaii were all marked as areas at risk of severe earthquakes, and scientists are urging them to prepare.
Undersea invention "critical" for California earthquake warnings
Scientists have discovered a way to transform fiber optic cables into powerful seismometers.
The surprise trigger for San Andreas Fault earthquakes
If the Salton Sea were to rapidly fill, scientists would be "very worried of potentially triggered earthquakes" to the southern end of the fault.
Russia state TV discusses nuclear strike on Yellowstone volcano
A retired Russian naval officer spoke on TV about the theoretical effectiveness of a possible nuclear strike on a U.S. volcano.
Turkey earthquake will give clues about the next big one at San Andreas
The earthquake in Turkey has magnitude of 7.8, and is estimated to have killed at least 11,000 people.
California: Magnitude 4.3 earthquake hits near Eureka, Humboldt County
The shallow earthquake is the latest in a string of recent temblors rumbling through the state
Could all the rain in California trigger earthquakes?
Research from Taiwan has indicated that large earthquakes were five times more likely to happen following severe storms.
California just dodged a devastating tsunami
A 6.4 magnitude earthquake shook Humboldt County in Northern California causing destruction and at least two deaths. Experts warn it could have been worse.
News
Climate change to make massive California earthquake even more devastating
Records show California is overdue for a magnitude 8 earthquake, and scientists warn that wildfires and landslides may make the destruction even worse.
LA is facing a major natural disaster—and it's not related to earthquakes
Scientists have warned almost 1 million people would be impacted from flooding, with disadvantaged communities at greatest risk.
A big earthquake at San Andreas is overdue—What will happen when it cracks?
"Large earthquakes on the San Andreas fault system are a geological inevitability," seismologist Rick Aster told Newsweek.
Earthquakes along San Andreas linked with shifts in Earth's magnetic field
Earthquakes are caused by tectonic plates suddenly slipping at fault lines, releasing large amounts of energy as seismic waves.
California Hit With Second, Stronger Earthquake in Less Than a Week
The 4.4-magnitude quake was felt by many in Santa Rosa, and a local fire department responded to gas leaks and stuck elevators.
Center of San Andreas Fault Could Cause Even Bigger Earthquakes, Says Study
Researchers found a greater potential for earthquakes in the central section at least as severe as the fatal 1994 Northridge quake.
San Andreas Fault 'Earthquake Drought' May Be Due to Long-Lost Ancient Lake
Scientists are investigating the possibility the weight of the ancient lake may have caused more frequent, large ruptures on the fault.
California Hit by 400 Earthquakes in Swarm on San Andreas Fault
A swarm of moderately sized earthquakes has hit California near the San Andreas fault, increasing the likelihood that a bigger earthquake could strike within the next seven days.
Quakes on Notorious Segment of San Andreas Driven by Deep, Boiling Forces
The ground deep below the Parkfield section of the fault was found to break frequently and melt the host rocks.
San Andreas Swarm Could Put California at Risk For Over a Week
The swarm hit a section of the fault capable of producing earthquakes of magnitude 7 and above.
San Andreas Earthquake Risk Increased after Ridgecrest, Scientists Say
The Ridgecrest earthquakes in July last year left scars on the surface of Earth that could be seen from space.
California Hit By 7 Earthquakes at San Andreas Fault Junction
The quakes occurred along the Mendocino Fracture Zone at the junction between the San Andreas Fault and Cascadia Subduction Zone.
Cascadia Fault Could Trigger Earthquakes on San Andreas, Scientists Claim
Controversial research suggests these two huge tectonic regions are linked.
Earthquakes in Southern California Put Stress on a Major Fault Line
"The Garlock Fault has been quiet for a long time. But there's geologic evidence that there have been large earthquakes on it," the lead author of a new study said.
Whales in California Go 'Nuts' After 4.7 Earthquake Along San Andreas Fault
Blue Ocean Whale Watch company reports mass breaching just after the earthquake 35 miles away.
NASA Plane Flying Around San Andreas Fault Sparks Conspiracy Theories
NASA officials have said that the plane was flying as part of a mission to study the effects of fire smoke on air quality.
NASA Reveals the Scars Left by the California Earthquakes Seen from Space
Two strong earthquakes hit Southern California on July 4 and 5.
Yellowstone Volcano Eruption Fears Triggered by California Earthquakes
USGS scientist addresses spike in internet searches for Yellowstone caldera after the quakes.
Southern California Hit by 1.8 Million Tiny Earthquakes
This amounts to one earthquake hitting the region every three minutes.
USGS: California's Next Big Hazard Could Be a Volcano
A new report from the U.S. Geological Survey assesses the risk of volcanic eruptions across the state.
Creeping Mud Geyser Threatens California Roads, Railway
"It's a slow-moving disaster," an Imperial County official said.