March 13, 1928 (, Boshin February 22), the California dam collapse, more than 400 people were killed. 13 Wednesday morning,

1928, Los Angeles, Francis impoundment big collapse crevasse poured into the San Francisco Canyon and the Santa Clara River Valley, more than 40 million cubic meters of flood swept away the houses, 78-foot-high water potential , pastures, roads, bridges, livestock, was swept away others more miserable. In the area of ​​at least 700 people missing, the death is expected to be more than 400 people. (Lssjt.cn)
residents have hardly received any alert, hundreds of houses like eggshells, crushed by the water, the majority of residents in some places 60 miles wide range of housing flooded death, the loss amounted to 15 million to 30 million US dollars. Army heroic rescue, but quicksand formed riverbed hinder the work of the rescue workers. Typhoid vaccination has begun. It has been ordered to conduct a thorough investigation into this, but only in the Los Angeles water system since 1924, suffered a series of disasters.