earthquake News

Researchers Use Supercomputers to Quantify Quake Risk Across San Francisco Bay Area

Scientists and engineers are simulating precisely how a large-magnitude earthquake along the Hayward Fault would affect different locations and buildings across the San Francisco Bay Area. A team from Lawrence Berkeley National Laboratory and Lawrence Livermore National Laboratory, both U.S. …

Another Building in San Francisco Appears to Be Sinking

A few blocks from the 58-story Millennium Tower, dubbed “the leaning tower of San Francisco,” another building appears to be sinking. An 18-story building in the city’s financial district appears to have settled up to three-eighths of an inch because …

2014 Napa Quake Could be Linked to Groundwater Changes, Study Shows

Research suggests the magnitude 6.0 earthquake that rocked California wine country in 2014 may have been caused by an expansion of Earth’s crust because of seasonally receding groundwater under the Napa and Sonoma valleys. The vineyard-filled valleys flank the West …

Oregon Earthquake Simulation Reveals Dangers

Researchers at Oregon State University say bridges and roads in the northwestern resort city of Seaside should be prioritized for improvement after a simulation discovered they would have higher mortality rates in an earthquake and tsunami. Researchers found that the …

USGS: M3.5 Quake Hit San Francisco Bay Area

A small earthquake has rattled the San Francisco Bay Area but there are no immediate reports of damage or injuries, the U.S. Geological Survey confirmed. The USGS said a 3.5-magnitude temblor struck at 7:18 p.m. Monday. The quake was centered …

USGS: M3.3 Quake Rattles Southern California Desert

A magnitude 3.3 earthquake has rattled the Southern California desert, the U.S. Geological Survey confirmed. The USGS said the quake on Saturday was centered about 27 miles northwest of El Centro in the desert near the Arizona border. It struck …

M3.3 Magnitude Rattles Shakes San Francisco Bay Area

A minor earthquake has shaken the San Francisco Bay area, the United States Geological Survey confirmed. The USGS says an earthquake with a preliminary magnitude of 3.3 struck just before 5 a.m. on Monday. The epicenter of the quake was …

San Francisco Bay Area Falls Behind on Quake Safety, Analysis Shows

The San Francisco Bay Area is falling behind on efforts to retrofit buildings that are vulnerable to collapse during a major earthquake, according to a newspaper analysis. The Los Angeles Times reported that there are up to 3,000 brittle concrete …

Quake Scenario: More than 1M Bay Area Homes Could Suffer Extensive Damage

More than a million San Francisco Bay Area residents would face extensive damage to their homes after a major earthquake on the Hayward fault, according to a new earthquake scenario developed by the U.S. Geological Survey. The USGS findings, which …

California Hospital on Earthquake Fault to Close

A nearly-century-old Southern California hospital that sits on an active earthquake fault will close because it can’t meet state earthquake safety requirements, officials said this week. Community Medical Center Long Beach announced it has submitted a four-month lease termination notice …