Hoover Dam

An explosion reported at Hoover Dam was caused by an electrical transformer that caught fire on Tuesday morning, the U.S. Bureau of Reclamation said.

Firefighters have extinguished the blaze and there were no injuries to visitors or employees, according to a bureau statement. The cause of the fire is under investigation. The dam continues to produce electricity with no risk to the power grid.

A Tuesday morning fire at the Hoover Dam was quickly extinguished, caused no injuries and is not a threat to the power grid, officials say.

In videos posted on social media, a huge plume of black smoke could be seen at the dam. Authorities are investigating what caused the fire, the federal Bureau of Reclamation said. A Tuesday morning transformer fire at the Hoover Dam was quickly extinguished, caused no injuries and is not a threat to the power grid, according to the Bureau of Reclamation's regional director for the Lower Colorado Region.

Officials say no one was injured when a transformer at Hoover Dam briefly caught fire Tuesday morning.

It referred additional questions to the Bureau of Reclamation and Hoover Dam. The cause of the fire is under investigation. “There is no risk to the power grid and power is still being generated,” according to Jacklynn L. Gould, the Bureau of Reclamation's regional director for the Lower Colorado Region.

Videos posted on social media showed what appeared to be a fire or explosion in a building near the base of the dam. A huge plume of black smoke swirled above ...

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No one was hurt in the explosion and electricity continued to flow from one of the nation's largest hydroelectric facilities, authorities said.

The postings showed the explosion occurred at a building slightly downstream from the base of the dam. “A ton of black smoke just exploded in the air. A transformer exploded Tuesday at the Hoover Dam, producing a cloud of thick, black smoke and flames that were quickly extinguished.

A transformer on one of America's tallest dams briefly caught fire on Tuesday morning before the Hoover Dam fire brigade extinguished the flames.

“There is no risk to the power grid and power is still being generated from the powerhouse. “We arrived to the scene and turned away. The blaze was extinguished within about 30 minutes before firefighters from the Boulder City fire department arrived on scene, the Nevada city reported on Facebook.

BOULDER CITY, Nev. (AP) — A transformer exploded Tuesday at Hoover Dam, producing a cloud of thick, black smoke and flames that were quickly extinguished.

The power produced at the site is transferred to a substation where it's marketed through the Western Area Power Administration. Drought and climate change have sunk the lakes to their lowest levels in decades. It captured the attention of tourists who quickly started recording and sharing video on social media. It looked almost like a mushroom and then a fire followed,” Herro said. “I was really surprised and I started filming.” The cause of the fire was under investigation and officials were working to determine the extent of damage to the transformer, one of 15 at the complex that control the voltages for power sent to customers.

LAS VEGAS — On the morning of Tuesday, July 19, a transformer at the Hoover Dam caught fire, causing an explosion and smoke.

BOULDER CITY, Nev. (AP) — Police in Boulder City, Nevada say they are headed to the Hoover Dam after reports of an explosion Tuesday morning.

Drought and climate change have sunk the lakes to their lowest levels in decades. The power produced at the site is transferred to a substation where it's marketed through the Western Area Power Administration. The administration markets power from 57 federal hydroelectric facilities. It captured the attention of tourists who said they heard an alarm sound and felt the ground rumble beneath them. It looked almost like a mushroom and then a fire followed,” Herro said. “I was really surprised and I started filming.”

BOULDER CITY, Nev. (AP) — No one was injured when a transformer at Hoover Dam briefly caught fire Tuesday morning, officials said.

Drought and climate change have sunk the lakes to their lowest levels in decades. The power produced at the site is transferred to a substation where it's marketed through the Western Area Power Administration. The administration markets power from 57 federal hydroelectric facilities. It captured the attention of tourists who said they heard an alarm sound and felt the ground rumble beneath them. It looked almost like a mushroom and then a fire followed,” Herro said. “I was really surprised and I started filming.”

A transformer exploded Tuesday at the landmark, producing a cloud of thick, black smoke and flames that were quickly extinguished. No one was hurt and the ...

The power produced at the site is transferred to a substation where it's marketed through the Western Area Power Administration. Drought and climate change have sunk the lakes to their lowest levels in decades. "A ton of black smoke just exploded in the air. The administration markets power from 57 federal hydroelectric facilities. It captured the attention of tourists who said they heard an alarm sound and felt the ground rumble beneath them. "I was really surprised and I started filming."

A transformer caught fire at Nevada's Hoover Dam on Tuesday and was quickly extinguished by the fire brigade without any injuries or interruption to the ...

“There are no injuries to visitors or employees. Article content Article content

Videos posted on social media showed what appeared to be a fire or explosion in a building near the base of the dam.

The postings showed the explosion occurred at a building slightly downstream from the base of the dam. “A ton of black smoke just exploded in the air. BOULDER CITY, Nev. (AP) — A transformer exploded Tuesday at Hoover Dam, producing a cloud of thick, black smoke and flames that were quickly extinguished.