The reservoir held 122 billion gallons - then the dam suddenly failed
15:07
The reservoir held 122 billion gallons - then the dam suddenly failed
2 months ago
MSNSidetrack Adventures
This dam held 12 billion gallons - it let go without warning
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This dam held 12 billion gallons - it let go without warning
3 months ago
MSNFascinating Horror
Just before midnight on March 12, 1928, the St. Francis Dam collapsed, sending billions of gallons of water toward sleeping people downstream. Watch FLOOD IN THE DESERT Tue May 3 at 9/8c on American Experience | PBS → pbs.org/wgbh/americanexperience/films/flood-desert | American Experience | PBS
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Just before midnight on March 12, 1928, the St. Francis Dam collapsed, sending billions of gallons of water toward sleeping people downstream. Watch FLOOD IN THE DESERT Tue May 3 at 9/8c on American Experience | PBS → pbs.org/wgbh/americanexperience/films/flood-desert | American Experience | PBS
760.9K viewsApr 21, 2022
FacebookAmerican Experience | PBS
The St Francis Dam disaster of 1928 is considered the worst American civil engineering disaster of the 20th century William Mulholland, of which Mulholland Drive is named after, hastily oversaw the project. He ignored geologists warnings to not build the dam due to unstable foundations and went a step further by opting to use cheaper materials to get the job done quicker. Why? Because LA needed more water and fast. But this dam construction came right after building the first ever long distance
2:07
The St Francis Dam disaster of 1928 is considered the worst American civil engineering disaster of the 20th century William Mulholland, of which Mulholland Drive is named after, hastily oversaw the project. He ignored geologists warnings to not build the dam due to unstable foundations and went a step further by opting to use cheaper materials to get the job done quicker. Why? Because LA needed more water and fast. But this dam construction came right after building the first ever long distance
21.1K viewsApr 24, 2025
FacebookToday I Learned Science
Visiting The Site Of L.A.'s Most Deadly Disaster: The Collapse Of The St. Francis Dam
Visiting The Site Of L.A.'s Most Deadly Disaster: The Collapse Of The St. Francis Dam
Nov 3, 2016
laist.com
St. Francis Dam could be a ticking time bomb in 2018
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St. Francis Dam could be a ticking time bomb in 2018
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MashableMashable
On this day in California history, tragedy struck. The St. Francis Dam was a concrete gravity dam located in San Francisquito Canyon in Los Angeles County built from 1924 to 1926 to serve Los Angeles's growing water needs. It catastrophically failed in 1928 due to a defective soil foundation, claiming the lives of at least 431 people. The collapse of the St. Francis Dam is considered to be one of the worst American civil engineering disasters of the 20th century and remains the second-greatest l
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On this day in California history, tragedy struck. The St. Francis Dam was a concrete gravity dam located in San Francisquito Canyon in Los Angeles County built from 1924 to 1926 to serve Los Angeles's growing water needs. It catastrophically failed in 1928 due to a defective soil foundation, claiming the lives of at least 431 people. The collapse of the St. Francis Dam is considered to be one of the worst American civil engineering disasters of the 20th century and remains the second-greatest l
767 viewsMar 12, 2023
FacebookMuseum of Ventura County
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431 Dead - How the St. Francis Dam Failed in 1928 | Disaster Documentary
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geoforward.com
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In 1928, the St. Francis Dam crumbled in the night, unleashing a wall of water that swept through the valley. Over 400 lives were lost, yet all that remains today are scattered fragments like this—silent reminders of California’s forgotten tragedy. | SoCal Outdoor Explorer
145.4K views7 months ago
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St Francis Dam was built to provide water to Los Angeles, bcollapsed in 1928, killing hundreds of people. #disaster #stfrancisdam #losangeles #water #flood #waterdamage #dam | Armchair Engineer
11.7K views5 months ago
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The St. Francis Dam didn't break from bad concrete. It broke because the ground beneath it failed. On March 12, 1928, this Los Angeles water supply dam held 12.4 billion gallons. Just before midnight, the foundation—built on unstable geological formations—collapsed catastrophically. The concrete structure itself remained largely intact as it slid away. Over 400 people died in the Santa Clara River Valley as the floodwaters rushed 54 miles to the ocean. Dam designer William Mulholland's career en
174.7K views3 months ago
FacebookThis Was Real
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L.A.’s Greatest Tragedy: The St. Francis Dam Failure
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The St. Francis Dam Collapse of 1928 #history #california #documentary #didyouknow
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St. Francis Dam Collapse: One Of The Worst Engineering Disasters In U.S. History
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12 Billion Gallons in 12 Minutes… The Dam That Vanished 😳
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The St. Francis Dam Disaster (1928): California's Deadliest Forgotten Flood‪@Disaster-archive‬
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The devastating collapse of st. Francis dam 1928 #disaster #history #rip
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Safe? 12 Hours Later Everything Was Gone #DisasterStory #TragicEvents
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The St. Francis Dam Disaster: A Catastrophic Collapse
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Footage of the Fillmore & Santa Paula Flood Areas After the St Francis Dam Collapse Occurred
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The Disaster that changed Dam construction Forever | St. Francis Dam
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