Yesterday marked the 90th anniversary of the 1928 St. Francis Dam Disaster, the second greatest disaster in California history. 400 lives, and possibly more were lost. At tonight's Santa Clarita Council Meeting, the following special video was presented. #SantaClaritaValley #SantaClarita #StFrancisDam #StFrancisDamDisaster | City of Santa Clarita Government

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

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