Rancho San Diego, California Rancho San Diego, California Rancho San Diego is a census-designated place (CDP) in San Diego County, California. The population was 21,208 at the 2010 census, up from 20,155 at the 2000 census. The area was developed as subdivisions beginning in the 1970s. Rancho San Diego is located at (32.765985, -116.921477). According to the United States Census Bureau, the CDP has a total area of , all land. The chance of earthquake damage in Rancho San Diego is much lower than California average and is much higher than the national average. The risk of tornado damage in Rancho San Diego is
San Diego State University shooting San Diego State University shooting The San Diego State University shooting was a school shooting that occurred at the San Diego State University (SDSU) engineering building on August 15, 1996, in San Diego, California. Three professors were killed by master's degree student Frederick Martin Davidson. Three months later, a copycat threat flier was sent, with threats against professors and racial insults. Davidson, the three faculty members, and three other engineering students assembled in the classroom shortly before 2:00 p.m. The three students were there to support Davidson, and to witness a Master's thesis defense. Liang stood, formally introduced Davidson, stated