9.2K views · 119 reactions | Pardon our dust! Construction is well...

What's the truth behind this engineering disaster? 🤔 The St. Francis Dam collapsed due to its construction on an ancient landslide, which shifted under the dam's weight, combined with poor geological conditions and flaws in the dam's design, including a base too narrow for the raised height of the dam and an insufficient foundation that was eroded by water! #science #physics #engineering #geology #bridge #civilengineering #history #knowledge | Learning with Lyrics

On this day 96 years ago, the St. Francis Dam stood within the rolling hills flanking the sides of current day San Francisquito Canyon Road. That is until March 12, 1928 at 11:57 p.m. when the St. Francis Dam failed, washing away two years worth or work by William Mulholland; it became the most tragic American civil engineering disaster of the 20th century. The first 64 victims were employees and their families living at Powerhouse number 2. Engulfing everything in its path, it reached the SoCal

16K views · 128 reactions | 90 years ago today the St. Francis Dam collapsed - the second-deadliest disaster in California history. | Newsweek | Facebook

15 reactions | On this day in California history, tragedy struck....

More than 450 people died in 1928 after a 180-foot-tall wall of water unleashed by the St. Francis Dam failure swept through Newhall, Piru, Fillmore, Santa Paula and other communities. Now a national memorial will honor those who were killed. https://bit.ly/2ucPY41?cid=facebook_Ventura_County_Star | Ventura County Star