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St Francis Dam fails catastrophically

• Near midnight on March 12-13, 1928 the St. Francis Dam failed,

sending a flood wave 140 ft deep down the canyon, killing at least

432 people

• 13 different panels investigated the St Francis failure

• Most blamed the failure on hydraulic piping along the inactive San

Francisquito fault running beneath the right abutment

• The City of Los Angeles paid out $14 million in damages