Two major earthquakes struck Central America within just 24 hours, as two more struck across the Pacific in New Guinea.
Engineers say the new span of the San Francisco-Oakland Bay Bridge would be able to handle a large earthquake much better than its aging counterpart which was damaged by the Loma Prieta temblor in 1989.
San Francisco’s top officials say the city’s Hall of Justice would be dangerously unstable in a powerful earthquake, but hundreds of city workers and jail inmates working and living there could have to wait more than a decade to move out.
Authorities say they don’t have any reports of damage or injuries after an earthquake with a magnitude of 4.3 was recorded off the Northern California coast.
The quake occurred at 1:55 a.m. about 3 miles east-northeast of Fremont and had a depth of 4.1 miles.
It’s the most expensive public works project in California’s history. Every day, 280-thousand cars thump over the reason it all began. It’s at pier E9 where the cantilever meets the incline section. Little do commuters know, they’re rolling over the reason for spending $6 billion.
Scientists studying earthquake faults in the mountains west of Lake Tahoe say new high-resolution imaging technology has uncovered more substantial seismic hazards than previously believed.
An earthquake with a preliminary magnitude of 3.9 struck near The Geysers in Sonoma County Sunday morning, according to the U.S. Geological Survey.
The Santa Clara Valley Water District study found that the ground under Calero Dam could liquefy in a major quake, and the embankment material at Guadalupe Dam is weaker than previously believed.
An aftershock with a 2.5 magnitude struck Saturday morning, following two small quakes that shook the East Bay earlier Saturday.