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Official name. Saint Francis Dam Disaster. Designated. March 12, 2019. The St. Francis Dam, or the San Francisquito Dam, was a concrete gravity dam located in San Francisquito Canyon in northern Los Angeles County, California, United States, that was built between 1924 and 1926. The dam failed catastrophically in 1928, killing at least 431 ...
The death toll here was approximately sixteen people. In 2009, studies showed that the flood's flow rate through the narrow valley exceeded 420,000 cubic feet per second (12,000 m 3 /s), comparable to the flow rate of the Mississippi River at its delta, which varies between 250,000 and 710,000 cu ft/s (7,000 and 20,000 m 3 /s).
Around midnight on March 12, 1928, the 195 foot St. Francis Dam in the San Francisquito Canyon above what is now the city of Santa Clarita in California failed catastrophically. At least 431 people were killed as the 47,000,000 m 3 reservoir emptied into the Pacific Ocean near Oxnard, nearly 50 miles away. [34]
List of California floods. For the most recent major flood in California, see February 2024 California atmospheric river. The remains of the St. Francis Dam and reservoir floor, which killed more than 400 people after it failed in March 1928. All types of floods can occur in California, though 90 percent of them are caused by river flooding in ...
In actuality, celebrated SoCal engineer William Mulholland built the St. Francis Dam that failed in 1928, resulting in the “largest single loss of life in California history,” according to ...
St. Francis Dam failure Los Angeles County, California, United States 423 2 December 1959 Malpasset Dam failure 356 1 December 1923 Gleno Dam failure Bergamo, Italy 250–434 18 August 2008 Koshi Barrage failure Koshi River, Nepal 270+ 25 January 2019 Failure of tailings dam on Córrego do Feijão iron ore mine [42] Brumadinho, Minas Gerais ...
William Mulholland (September 11, 1855 – July 22, 1935) was an Irish American self-taught civil engineer who was responsible for building the infrastructure to provide a water supply that allowed Los Angeles to grow into the largest city in California. As the head of a predecessor to the Los Angeles Department of Water and Power, Mulholland ...
St. Francis Dam: Accident – dam failure: Santa Clarita, California: 581 1947 Texas City disaster: Accident – explosion: Texas City, Texas: Ammonium nitrate on board ship 501+ 1896 Tornado outbreak sequence of May 1896: Tornado outbreak sequence: Central United States, Southern United States: $2,900,000,000 (1997) At least 38 tornadoes ...