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ShakeAlert sends false alarm about magnitude 5.9 earthquake in California, Nevada

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ShakeAlert sends false alarm about magnitude 5.9 earthquake in California, Nevada


The ShakeAlert computer system that warns about the imminent arrival of shaking from earthquakes sent out a false alarm Thursday morning for a magnitude 5.9 temblor in Carson City, Nev., that did not actually happen.

The ShakeAlert blared on both the MyShake app and the Wireless Emergency Alert system — similar to an Amber Alert — on phones across the region, including in the San Francisco Bay Area, the Sacramento area, and in eastern California, just after 8 a.m.

It wasn’t immediately clear why the ShakeAlert system was activated, or how many phones got the incorrect alerts. The earthquake report was later deleted from the MyShake app — which carries earthquake early warnings from the U.S. Geological Survey’s ShakeAlert system — and from the USGS earthquake website.

“We did not detect any earthquakes,” said Paul Caruso, a USGS geophysicist, Thursday morning.

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The ShakeAlert system has previously proved effective in giving seconds of warning ahead of expected shaking coming from significant earthquakes, including from a magnitude 5.2 earthquake in San Diego County in April; earthquakes in El Sereno and the Malibu area last year; and a temblor east of San José in 2022.

“We’re in the process of figuring out what happened,” said Robert de Groot, an operations team leader for the U.S. Geological Survey’s ShakeAlert system.

There have been other times when earthquake early warnings have misfired.

In 2023, a scheduled drill of the MyShake app at 10:19 a.m. rang instead at 3:19 a.m., which occurred because the warning was inadvertently scheduled for 10:19 a.m. Greenwich Mean Time, instead of Pacific time.

And in 2021, phone users across Northern California got a warning of a magnitude 6 earthquake in Truckee, near Lake Tahoe; but the quake that actually occurred was a far more modest magnitude 4.7. Scientists said the significant overestimation of the quake’s magnitude was in part caused by it being on the edge of the ShakeAlert seismic network sensors, and that researchers worked on reprogramming the computer system to avoid a similar issue in the future.

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California Highway Patrol work to keep drivers safe during holiday weekend enforcement

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California Highway Patrol work to keep drivers safe during holiday weekend enforcement


The California Highway Patrol is urging drivers to stay focused on the road as they head out for Fourth of July celebrations.

The holiday weekend can be a dangerous time on our roads as millions of drivers are expected to travel.

CHP Officer Jorge Toro joined Eyewitness News Mornings to share how drivers can stay safe behind the wheel.

Officer Toro also highlighted the importance of sober driving over the holiday.

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He says anyone hosting a party should make sure all of their guests get home safely, ensuring anyone who may be impaired doesn’t drive.



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California returns stretch of coast to Indigenous tribes. ‘This is beyond huge’

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California returns stretch of coast to Indigenous tribes. ‘This is beyond huge’


California is returning a stretch of rugged Mendocino County coast to the Indigenous nations whose ancestors once stewarded its shores.

State transportation officials recently approved the transfer of Blues Beach and the surrounding bluffs to Kai Poma, a nonprofit founded by representatives of the Sherwood Valley Band of Pomo Indians, Round Valley Indian Tribes and Coyote Valley Band of Pomo Indians.

The transfer of 136 acres just south of the community of Westport will mark the first time land managed by the California Department of Transportation has been returned to Indigenous tribes.

“This is beyond huge,” said J. Carlos Rivera, tribal chairman of the Sherwood Valley Band of Pomo Indians. “It’s enormous from our tribal perspective that we are basically obtaining the land that our people once lived on before colonization.”

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California purchased the swath of rocky cliffs and windswept shoreline in the 1960s to expand the construction of Highway 1 and create a scenic viewpoint for highway travelers, according to a California Coastal Commission report.

More recently, public access has been largely unregulated, and summer weekends and holidays have drawn large groups who camp and party on the beach, at times driving through sensitive areas, damaging cultural sites and leaving behind trash, the report states.

Kai Poma plans to conduct cultural and archaeological resource studies and environmental surveys and then prepare a resource management plan for the property, according to planning documents. The nonprofit and the Coastal Commission have drafted a public access management plan that states the land will be open from sunrise to sunset.

Rivera described the entire property as a sacred site. The coastal waters are used by tribal people for seaweed and abalone gathering, and the shores host youth cultural camps, he said. “Protecting the land, it has a deeper meaning for us because we’re connected to the land,” he said.

The effort to acquire the land took years — and required a change in state law. Caltrans lacked the ability to transfer land to tribal governments until 2021, when Gov. Gavin Newsom signed a bill sponsored by state Sen. Mike McGuire (D-Healdsburg) that enabled the transfer, according to a news release issued at the time. The law also bars commercial activity on the property and requires public access be maintained.

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“With 136 acres now officially transferred into tribal stewardship, one of the most spectacular stretches of the Mendocino Coast will be forever protected,” McGuire said in a statement.

“This agreement, the first of its kind in California, gives these three dynamic Native American tribes the rightful opportunity to reclaim sacred lands and cultural traditions on this special piece of earth. And it’s about damn time.”

The land transfer cleared its last regulatory hurdle June 26 with the approval by the California Transportation Commission, said Neil Thapar, an attorney who works as an advisor and legal consultant to Kai Poma. Caltrans staff will next record the deed transferring the title from the state of California to Kai Poma, which is expected to happen any day, he said.



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What’s open, closed for Independence Day weekend in California?

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What’s open, closed for Independence Day weekend in California?


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With July 4 falling on a Saturday this year, many businesses and organizations are taking the day off Friday, July 3, to mark America’s 250th birthday. From banking to mail service, here’s what’s open and closed for the holiday weekend.

Most federal offices closed, mail service to continue

Non-essential federal offices will be closed on July 3. However, mail service will continue as normal, and post offices are scheduled to remain open.

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Most California government offices to remain open

Most California government offices will be open on July 3, with some exceptions.

DMV offices throughout the state will be open. However, the Employment Development Department will be closed.

DMV offices that offer Saturday hours will be closed on July 4.

Private parcel services to remain open

UPS and FedEx are both scheduled to operate normally on July 3, but will suspend service on July 4.

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Stock markets closed

Both the New York Stock Exchange and Nasdaq will be closed on July 3.

Most banks to stay open

While most banks were expected to operate normally on July 3, some may operate under modified holiday hours. All banks will be closed on July 4.

Online banking services should remain operational.

Grocery stores

Most major grocery chains will be open on both July 3 and July 4. Trader Joe’s locations will be open for regular business on July 3 but will close early at 5 p.m. on the Fourth of July.

Retailers

Many major retail stores, such as Walmart and Target, plan to operate under normal business hours on both July 3 and 4. All Costco warehouse stores operate under normal business hours on July 3, but will close on July 4.

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Restaurants

Most major restaurant chains remain open on July 4, but some will have limited hours. All Raising Cane’s locations will close on July 4.



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