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San Diego-Los Angeles Fault Could Produce 7.4 Earthquake

The Scripps Institution of Oceanography on Tuesday raised the attention level for two earthquake faults, saying they’re actually a single system that could produce devastating temblors affecting Tijuana to the Los Angeles region. If offshore segments of the Newport-Inglewood and Rose Canyon fault system ruptured, they could generate a magnitude 7.3 quake capable of damaging much of the Southern California coastline, according to the scientists at Scripps, which is part of UC San Diego.

USGS Updates Forecast Of When A Major Quake Might Strike LA Region

USGS geologist Kate Scharer led a team that investigated the timing of sand, mud and gravel deposits that were episodically ripped apart by earthquakes along the San Andreas Fault over the last 1,200 years. They found evidence of 10 ground-rupturing earthquakes between 800 A.D. and the last rupture in 1857. “In the area of the Grapevine we had a 100-mile or so stretch where we didn’t have good information on the timing of earthquakes back for the last thousand years or so,” Scharer said.

Thousands of Californians Have Contaminated Water Coming From Taps

Some 700,000 Californians are currently being exposed to contaminated water at home or at school, according to the latest data from California’s Water Resources Control Board. NBC 7 discovered more than 3,000 of those residents are living in the San Diego region, often in poorer, rural communities located within areas of Potrero, Pauma Valley and Borrego Springs.

 

Safe To Drink?: San Marcos Schools Tested For Lead In Water

NBC 7 has learned three schools in the San Marcos Unified School District were involved in testing for lead levels in water provided to students on campus. Of the three schools, one had a water fountain with lead levels higher than acceptable, district officials confirmed Tuesday. The district recently tested the water at three schools including Alvin Dunn Elementary, Richland Elementary, and San Marcos Middle School.

 

Poway Names New Public Works Director

The appointment of Mike Obermiller as Poway’s public works director was announced Tuesday by City Manager Tina White. Obermiller started with the city in August 2014 as the department’s assistant director. During his tenure, he served as the city’s liaison with several regional groups including the Metro Wastewater Joint Powers Authority and San Diego County Water Authority. Prior to joining the city, Obermiller served 20 years in the US Navy as a Civil Engineer Corps officer, leading comprehensive public works and construction management organizations in Japan, Iraq, Mississippi and California.

Huge Sewage Spill Was Perhaps Far Bigger: 230 Million Gallons?

The sewage spill on the Tijuana River in Mexico the fouled South County beaches may have been significantly larger than first estimated, although it’s unclear how regulators arrived at the new figure. Standing next to the river valley for a news conference Monday, Rep. Scott Peters said the U.S. Environmental Protection Agency now suspects that discharges may have totaled 230 million gallons, up from the initial figure of 143 million gallons. The original volume already ranked as one of the biggest spills in the region’s history.

California Beaches Start to Reopen Weeks After Sewage Spill in Mexico

Sunday was the first day in several weeks that surfers, swimmers and kids wanting to play in the the wet sand had a green light to touch the Pacific Ocean in Coronado, but miles of beach south of there remained closed due to the huge sewage spill in Tijuana. Beaches from Avenida Lunar, one block south of the Hotel del Coronado, north to the Navy Base were declared safe Saturday evening by the San Diego County Department of Environmental Health. Testing confirmed that the water quality met state health standards.

OPINION: Desalination Loses Urgency In Super-Wet Winter: Thomas Elias

Here’s a cold, wet reality: the more water in California’s reservoirs, the less urgency there is to build new ocean-water desalination plants that became a major talking point during the state’s long, parched years of drought, an ultra-dry period some folks insist has still not ended despite months of heavy rains. Those record or near-record rains have replenished everything reservoirs lost over the last few years of drought, and sometimes more.

How They Voted, March 5

The Carlsbad City Council met Tuesday for a public hearing and approved permits for a proposed four-story mixed-use building, including retail and office uses, and 106 apartments, 16 of which will be affordable housing, on Carlsbad Village Drive. The council also heard a report on public safety in the north beach area, and directed staff to bring back information before summer, including on outreach, lifeguard towers and gate closures. A discussion of permits for a condominium project at Poinsettia Lane was moved to the March 14 meeting.

Hydropower Poised For Comeback in California, Thanks To A Wet Winter

California’s years-long drought put hydroelectric power flat on its back. But one of the cleanest and cheapest energy sources may be poised for a comeback as the state has been drenched with rain and its mountains blanketed in snow in recent months. Energy officials studying the numbers are cautiously optimistic the sector’s output may roar back to levels seen before drought decimated watersheds, streams and reservoirs.