A rare earthquake centered near Red Rock Canyon rattled Las Vegas on Friday morning, shaking hotels, casinos and tourist attractions across the Strip just as the city prepared for a busy Fourth of July holiday weekend.

The tremor, initially estimated at magnitude 4.1 by the Nevada Seismological Laboratory, struck shortly after 10:30 a.m. local time and was felt across much of southern Nevada. While no major injuries or structural damage were immediately reported, the quake startled residents, casino visitors and tourists staying in some of the city's tallest hotel towers.

"Our magnitude estimate is a 4.1 with the epicentre at Red Rock Canyon," Nevada Seismological Laboratory Director Christie Rowe told the Las Vegas Review-Journal. "Our analysts are looking at it right now. It looks like it was felt pretty widely."

According to seismologists, the earthquake originated roughly 16 miles west of Las Vegas at a depth of about 3.8 miles. The event was strong enough to be felt throughout the metropolitan area but remained below the threshold typically associated with widespread damage.

For many visitors, however, the experience was unsettling.

Carl Johnson, who was staying high above the Strip, described the sensation to 8 News. "We were actually up on the 19th floor of the Encore [Tower]," he said. "I just felt like just like shaking, left to the right and it felt kind of weird like, it's kind of like you're on a ride or something. You remember like a carnival ride. It felt weird."

Others initially struggled to identify what was happening.

"I was actually sitting at the blackjack table at the Wynn and it just felt like I was on a boat and we were just doing this," tourist Alec Ventresca told the outlet. "I actually thought the guy that I was sitting with was kicking the table."

The Las Vegas quake occurred as another seismic event struck California. The U.S. Geological Survey reported a magnitude 6.4 earthquake near Searles Valley in the Mojave Desert, about 60 miles northwest of Barstow. Authorities have not indicated whether the two events were directly related, though both drew attention across the region.

Nevada transportation officials moved quickly to reassure the public. The Nevada Department of Transportation said the state's bridges are designed to withstand smaller earthquakes and high-wind events, seeking to calm concerns among travelers and residents.

"I was really surprised. I wasn't expecting to come to Vegas and feel an earthquake," tourist Madarus Hobson said after the shaking subsided.

Friday's tremor also revived memories of the powerful Ridgecrest earthquake sequence in California during 2019, when shaking was felt throughout Las Vegas and forced evacuations during the NBA Summer League at the Thomas & Mack Center. Residents across southern Nevada reported swimming pools sloshing over their edges and buildings swaying during that event.

Although earthquakes are relatively uncommon on the Las Vegas Strip, Nevada remains one of the most seismically active states in the country. The state's largest recorded earthquake measured magnitude 7.6 near Pleasant Valley in 1915, while a magnitude 6.5 quake in 2020 damaged part of Highway 95 near Coaldale Junction.