California July 7, 2019 6:25 pm ‘ShakeAlert' Warnings Not Issued in San Diego Why San Diegans didn’t recieve California’s early warning alert system before the quakes. NBC 7’s Mark Mullen has the story. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl