A 5.3-magnitude quake struck in the Channel Islands region on Thursday afternoon, about 38 miles southwest of the mainland city of Ventura, California, and about 86 miles west of Los Angeles, the US Geological Survey said.
Authorities in Los Angeles and Ventura counties did not report any immediate damage.
VIDEO: ABC7 Quake Cam captures 5.3-magnitude quake Following the quake, the Los Angeles Fire Department went into natural disaster mode to survey the greater Los Angeles area.
The temblor was centered 23 miles east-southeast of Santa Rosa Island and 36 miles southwest of Channel Islands Beach, according to the USGS.
The island is largely unpopulated but does have some research facilities, historic buildings and hosts campers.
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But Klotzbach said Pacific water temperatures will likely be neutral or only slightly warm, meaning wind sheer will be weak. The onslaught of storms left deep wounds across the Caribbean and southern United States that have not yet healed.
A report warned how a huge quake of this size could kill 1,800 people, injure 53,000, and cause $214billion (£162billion) of damage.
Seismologist Lucy Jones told NBC Los Angeles: "This is a completely normal sort of quake for Southern California".
The 5.3-magnitude natural disaster that rattled Southern California on Thursday was the strongest in the area several years, scientists said.
One resident near Beverley Hills said she could feel the ground "rolling".
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Without Edelman's reaction to the alarming social media post, police said, it's likely they would not have known about the threat. Shortly after the athlete shared the image, a teenager commented: "I'm going to shoot my school up watch the news".
The quake was centered just off the Ventura County coast.
The Los Angeles County Fire Department was also assessing the region for damage.
"I've felt earthquakes before, but not like this in a long while!"
"We recognise that the probability of having a large natural disaster goes up".
"I think the Magnitude 5.3 would have been felt in (the Santa Clarita Valley)", Hough said, "earthquakes like this - they're not a daily occurrence, but they're not uncommon".
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It will also see Russian military police enter the town and government institutions return to the area, the monitor said. It will mark his biggest victory over rebels fighting to unseat him since the recovery of eastern Aleppo in 2016.