October 19, 2011 (Lemon Grove)—Could a major earthquake strike San Diego County—and will you be prepared? Well-known earthquake expert and media commentator Dr. Pat Abbott, will discuss the "big one on the next "History Alive" lecture series. The event, sponsored by Lemon Grove Historical Society, will be held November 3 at 7 p.m. in the H. Lee House Cultural Center, 3205 Olive, Lemon Grove.