October 18, 2023 9:44 am 4.1 magnitude earthquake strikes northeast of Antioch A preliminary 4.1 magnitude earthquake struck roughly 12 miles northeast of Antioch Wednesday morning. US & World Videos 2:36 Dreamforce conference underway in San Francisco 4:03 Watch: Conversation with former Obama speechwriter 4:13 What to know about the California insurance reform hearing 1:25 Heat-tolerant and drought-resistant plants 0:28 Woman dies after falling out of truck doing donuts in San Jose parking lot