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California earthquake safety

California earthquake safety
A trench was dug at 6230 Yucca St, just east of the Capitol Records building in Hollywood, to see if an earthquake fault exists underneath the site of a planned apartment complex. (Mel Melcon/Los Angeles Times)
New earthquake faults discovered in Napa

Previously unmapped earthquake faults ruptured during the Aug. 24 magnitude-6.0 South Napa earthquake, surprising both scientists and homeowners. In the Browns Valley neighborhood, one section of the fault cracked through homes, splitting foundations and damaging some houses so severely that they were evacuated. The California Geological Survey is studying the possible fault strands and is working on a regulatory map.

Earthquake threats to California's water

A magnitude-7.8 earthquake on the San Andreas fault could cut off Los Angeles from all three major aqueducts that supply 88% of its water. Water agencies in the San Francisco area have made seismic upgrades to the Hetch Hetchy and Mokelumne aqueducts.

Mayor Garcetti proposes sweeping retrofits of concrete, wood buildings

Eric Garcetti, Los Angeles, earthquakes, retrofits, apartments

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New earthquake fault zones in the San Gabriel Valley

Developers of property within the state¿s finalized Sierra Madre earthquake fault zone generally will have to prove new construction will not be on top of an earthquake fault.

Garcetti to appoint officer to help L.A. ready for disasters, drought

When Los Angeles officials begin an ambitious effort to comb the city and check which buildings might be at risk in a major earthquake, they will also examine how efficiently the structures use water and electricity, Mayor Eric Garcetti said Monday.

Preliminary quake map shows fault lines under schools, hotels, homes

New California maps show estimated earthquake faults cutting through more than 1,500 developed properties in L.A. County.

Liability for quake losses a big concern for L.A. property owners

The question of whether property owners can be held liable for earthquake losses bears heavily on Los Angeles.

Mayor Eric Garcetti seeks rating system for buildings' seismic safety

Garcetti proposes seismic ratings of office buildings and apartments and posting the information publicly. He also wants a mandatory retrofit program.

Earthquakes on the brain

A recent series of temblors draws attention to the number of buildings that could be badly damaged in the Big One.

La Habra earthquake jolted social media

Friday night's quake was strong enough to show the power of Twitter and Facebook in quickly sharing information about the damage.

La Habra quake a reminder about dangerous Puente Hills fault

Experts say a major quake on the Puente Hills fault could do more damage to the heart of L.A. than the dreaded Big One on the San Andreas.

Quake swarm topped by magnitude 5.1 temblor rattles L.A. region

The quakes appear to have been on the Puente Hills fault, which runs from the San Gabriel Valley to downtown L.A. and caused the 1987 Whittier Narrows quake.

Scientists, private firms wrangle over statewide quake alert system

To implement a statewide earthquake early warning system, public and private sectors must come to an agreement on key details.

Earthquake preparedness is finally embraced by L.A. movers and shakers

L.A. has a lot of catching up to do compared with San Francisco, but finding money to pay for those efforts won't be easy.

4.4 quake a wake-up call on L.A.'s unknown faults

Although the 6:25 a.m. quake beneath the Santa Monica Mountains caused no damage, it showed there is still much to be learned and served as a warning for residents to be prepared.

It's a big task for Lucy Jones: preparing us for the Big One

Lucy Jones, L.A.'s new quake czar, will spend a year coming up with a strategy for preparedness. But her path is strewn with obstacles.

Hollywood developer fights quake fault designation

Blvd6200 builder wants the state to revise a proposed seismic map to relocate or remove a fault line depicted beneath the project.

A potent threat of major earthquake off California's northern coast

Risk of a monster quake and tsunami off California's North Coast is greater than once thought.

L.A. apartment tenants would pay full quake retrofit costs under plan

L.A. building owners can pass on only 50% of the costs of seismic upgrades, but Councilman Bernard Park wants to hike that to 100%.

Bill targets new construction in California quake zones

Legislation by state Sen. Ted Lieu aims to close a loophole that allows building on or near earthquake faults that haven't been zoned by the state.

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