A preliminary magnitude 5.2 earthquake has struck near San Diego, specifically in the Julian area of East San Diego County. The tremors were felt widely across Southern California, reaching parts of Los Angeles and Orange counties. Reports indicate that while the quake jolted many residents, no major damage or injuries have been reported. The earthquake has prompted emergency alerts, urging residents to stay alert for possible aftershocks. The National Weather Service has confirmed that no tsunami is expected as a result of this seismic event.