Seismic
4.3 Quake Strikes Off North Coast
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.
3.0 Quake Rattles East Bay Near Fremont
The quake occurred at 1:55 a.m. about 3 miles east-northeast of Fremont and had a depth of 4.1 miles.
New Bay Bridge Span Designed To Withstand Big Quake
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.
New Quake Faults Uncovered West Of Lake Tahoe
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.
Small Quake Shakes The Geysers In Sonoma County
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.
2 Silicon Valley Dams Found Highly Susceptible To Quakes
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.
Multiple Aftershocks Shake East Bay
An aftershock with a 2.5 magnitude struck Saturday morning, following two small quakes that shook the East Bay earlier Saturday.
Light Quake Jostles Contra Costa County
A 2.4-magnitude earthquake struck Contra Costa County Sunday morning.
West Sidewalk On Golden Gate Bridge To Close For Retrofitting
The entire length of a Golden Gate Bridge sidewalk will close for several months starting Tuesday for a retrofitting construction project, bridge district officials said.
Expensive Save For Centuries-Old Menlo Park Oak Tree
The 64-foot tall oak tree that stands in the way of a new Hetch Hetchy water pipeline will not be chopped down, even though the alternative will be costly, an official said.
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