earthquake June 3, 2020 6:51 pm Magnitude 5.5. Earthquake Rattles Southern California Dr. Lucy Jones calls a magnitude 5.5 earthquake an aftershock of the Ridgrecrest earthquake from last July, on NBC4 News on Wednesday, June 3, 2020. US & World Videos 0:43 LA County releases sterile mosquitoes as warmer weather nears 2:42 Days before USC commencement, protesters still camped out on campus 0:34 Deadly crash damages church in South Los Angeles 1:42 Shooting investigation at DTLA warehouse 3:20 Encampment remains on USC