A 7.0 magnitude earthquake shook a large area of Northern California on Thursday, knocking items off grocery store shelves, sending children scrambling under desks and prompting a brief for 5.3 million people along the U.S. West Coast.

The quake struck at 10:44 a.m. west of Ferndale, a small city in coastal Humboldt County, about 130 miles (209 km) from the Oregon border, the U.S. Geological Survey said.

It was felt as far south as San Francisco, some 270 miles (435 km) away, where residents felt a rolling motion for several seconds. It was followed by multiple smaller aftershocks.

There were no immediate reports of major damage or injury.

The tsunami warning was in effect for roughly an hour. It was issued shortly after the temblor struck and covered nearly 500 miles (805 km) of coastline, from the edge of California香蕉视频直播檚 Monterey Bay north into Oregon.

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Numerous cities urged people to evacuate to higher ground as a precaution, including Eureka.

In Santa Cruz, authorities cleared the main beach, taping off entrances with police tape. Aerial footage showed cars bumper-to-bumper heading to higher ground Thursday morning on California highways 1 and 92 in the Half Moon Bay area south of San Francisco.

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Cindy Vosburg, the executive director for the Crescent City-Del Norte County Chamber of Commerce, said she heard alarms sound just before shaking began and the city香蕉视频直播檚 cultural center downtown started to creak.

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Vosburg, a former resident of the San Francisco Bay Area and the Central Valley, said it was the strongest earthquake she felt since the struck Northern California.

Gov. Gavin Newsom said he has signed off on a state of emergency declaration to quickly move state resources to impacted areas along the coast. State officials were concerned about damages in the northern part of the state, Newsom said.

White House Spokesperson Jeremy Edwards said President Joe Biden was briefed on the earthquake and that FEMA officials are in touch with their state and local counterparts in California and Oregon.

Crews in Eureka, the biggest city in the region, were assessing if there was any major damage from the quake, Eureka Mayor Kim Bergel said. Bergel, who works as a resource aid at a middle school, said lights were swaying and everyone got under desks.

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The students were later sent home.

In nearby Arcata, students and faculty were urged to shelter in place at California State Polytechnic University, Humboldt. The campus in was not in the tsunami hazard zone and after inspections, 香蕉视频直播渁ll utilities and building systems are normal and operational,香蕉视频直播� the university said in a statement.

Humboldt County Sheriff William Honsal said residents experienced some cracks in their homes香蕉视频直播� foundations, as well as broken glass and windows, but nothing severe. There also have been no major infrastructure problems, building collapses or roadway issues, and no major injuries or deaths have been reported, he said.

Honsal said he was in his office in the 75-year-old courthouse in downtown Eureka when he felt the quake.

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Michael Luna, owner of a Grocery Outlet in Eureka, said that besides a few items falling off shelves, the store on Commercial Street was unscathed by the earthquake.

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They evacuated customers and closed their doors temporarily until officials lifted the tsunami warning, he said, rushing off the phone to attend to a growing line of customers at check-out.

The San Francisco Bay Area Rapid Transit District, known as BART, stopped traffic in all directions through the underwater tunnel between San Francisco and Oakland, and the San Francisco Zoo香蕉视频直播檚 visitors were evacuated.

Dave Snider, tsunami warning coordinator for the Tsunami Warning Center in Alaska, said the computer models indicated that this was the type of earthquake that was unlikely to cause a tsunami and gauges that monitor waves then confirmed it, so forecasters canceled the warning.

This quake was a strike-slip type of temblor that shifts more horizontally and is less prone to cause tsunamis, unlike the more vertical types, said National Weather Service tsunami program manager Corina Allen in Washington state.

The California Geological Survey says the state香蕉视频直播檚 shores have been struck by more than 150 tsunamis since 1800, and while most were minor, some have been destructive and deadly.

On March 28, 1964, a tsunami triggered by a powerful earthquake in Alaska smashed into Crescent City hours later. Much of the business district was leveled and a dozen people were killed. More recently, a tsunami from a 2011 earthquake in Japan caused about $100 million in damages along the California coast, much of it in Crescent City.