Lake Mead near Hoover Dam at the Lake Mead National Recreation Area near Boulder City, Nevada, on June 26, 2022.

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Jasmine Laws

By Jasmine Laws

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There have been a number of reports of "thunderous" sounds echoing around Lake Mead on Tuesday, with videos circulating on social media.

According to reports, around 50 residents and campers contacted the police after hearing sounds that have been described as a "deep, metallic groaning that made the ground tremble."

Why It Matters

This is not the first time strange sounds have been reported around Lake Mead, and there have been previous reports of other eerie activities or unexplained phenomena around the lake.

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What To Know

In a video shared on Instagram by the account @scaryencounter, and on Facebook by the account Conspiracy Journal, a woman is heard saying that she was woken up by loud sounds that hammered through the Redstone Picnic Area between Lake Mead and Las Vegas.

She said she called 911 and that the police told her they had already received around 50 calls in regards to the noise. In the footage, the sounds come on in waves, rattling through the valley in intermittent thunders.

One Instagram user @jaes.log decided to investigate the situation, writing on the social media platform: "Saw some people saying there were weird sounds at lake mead by the hoover dam yesterday and I happen to be right by it gonna be doing some investigating while I'm here cuz why not."

Lake Mead near Hoover Dam at the Lake Mead National Recreation Area near Boulder City, Nevada, on June 26, 2022.

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He shared a video saying he had spoken with people at a nearby petrol station, and added that the people there said they hadn't heard the reported sounds, but that it "wasn't out of the question that that happened."

He later posted another video saying that he thought he "figured out" what had caused the sound, adding that he believed it was "not as exciting as everyone probably hoped."

He said he thought the source of the sound was the Kern River gas pipeline that runs near where the sound was heard—and that the sound was "gas releasing."

Later in the clip, the user shared other footage of what he said was the sound of "gas being released," which was somewhat similar to the sound heard in the clips circulating about Lake Mead.

According to a notice from the Kern River Gas Transmission Company, there was a request for "on- and off-system balancing" for the Kern River Line on October 29, although the company confirmed to Newsweek that Kern River "did not release any gas from its pipelines" on October 28 or 29.

What People Are Saying

The account Conspiracy Journal, wrote in a post on Facebook: "Over 50 terrified residents and campers flooded local police dispatch lines after a thunderous, unearthly sound tore through the Redstone Picnic Area between Lake Mead and Las Vegas. Witnesses described it as a loud, metallic groaning that shook the ground and rolled across the desert like the echo of something ancient awakening beneath the earth. What could generate a tone so deep and unnatural that it rattled windows and spooked wildlife for miles? A geological shift? A classified test? Or something far less explainable—an unseen presence stirring below the Mojave sands? If you heard it, you know: that wasn’t thunder."

What Happens Next

It is not yet clear what caused the sound.

Update 10/30/25, 4:05 a.m. ET: This article has been updated with comment from Kern River Gas Transmission Company.

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