Mezue ahịrịokwu na-esonụ: Burbank dị n'ime mpaghara na-arụ ọrụ nke ọma. Ọ dịkarịa ala, e depụtara ọgba aghara asatọ dị n'etiti obodo Burbank. San Fernando Fault, nke dị n'ebe ugwu ọdịda anyanwụ nke etiti obodo Burbank, kpatara oké ala ọma jijiji nke ịdị ukwuu ya dị 6.6
Ala ọma jijiji mere na San Fernando n'afọ 1971.