An earthquake with a preliminary magnitude of 4.0 rattled Southern California’s Inland Empire early Sunday morning, shaking homes and businesses across the region. According to the U.S. Geological Survey,

A magnitude 3.1 earthquake struck with an epicenter near Eastvale, California, in Riverside County on Tuesday, according to the United States Geological Survey. The temblor was reported shortly before 1 p.

A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month. Sunday's 3:51 a.