A tsunami warning issued Thursday, Dec. 5, for residents of the Northern California region following a major earthquake in the Pacific Ocean reported no destruction.

“There is no tsunami threat for the U.S. West Coast, British Columbia and Alaska,” the National Tsunami Warning Center said in an update about an hour after the quake was first reported.

An earlier warning had warned the public along the California coast that “a series of strong waves and strong currents could impact shorelines near you. They are in danger.”

“Remove the coastal waters. Now move to high ground or inland,” the warning continued.

According to the National Tsunami Warning Center and the United States Geological Survey, the earthquake was reported to have a magnitude of 7.0.

Never miss a story again — sign up for PEOPLE’s free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories.

The quake struck about 10:45 a.m. local time about 45 miles southwest of the coast of Eureka, California, about 100 miles south of the Oregon border, the National Tsunami Warning Center said.

“Tsunami warnings mean that a tsunami with significant flooding is possible or is already occurring. Tsunamis are a series of waves that are dangerous many hours after their original arrival time. The first wave may not be the largest,” the National Weather Service said in a statement.

According to the United States Geological Survey, mild to moderate aftershocks were possible.

Accordingly The Los Angeles Timesa second magnitude 5.8 earthquake also occurred around Cobb.

According to ABC News, Stephen DeLong, a USGS geologist, said at a news conference Thursday afternoon that there are currently no detailed reports of damage in the area or landslides due to the quake.

Although some residents posted on social media about the tremors they felt, others didn’t even know there was an earthquake.

“I didn’t know it was an earthquake,” Sebastopol resident Sheri Morrison tells PEOPLE. “I was blow-drying my hair and in the reflection I saw my shower doors moving and my towels shaking. Ghostly things happen to me here, so I just thought that was it!”

The weather warning also caused the San Francisco Zoo to close.

“The zoo is closed due to the national weather emergency and tsunami warning. Guests have been evacuated, animals secured and staff moved to higher ground,” the zoo wrote in a post shared on X, formerly known as Twitter.

USGS officials have indicated that aftershocks could occur in the coming days and weeks.

According to the latest information from the USGS, there is a 31% chance of one or more aftershocks occurring within the next week “greater than magnitude 5, which can be damaging.”

“There are likely to be smaller aftershocks over the next week, with up to 240 aftershocks of magnitude 3 or higher,” they added. “The number of aftershocks will decrease over time, but a large aftershock may temporarily increase the number of aftershocks.”