A preliminary 3.9-magnitude earthquake was reported near Ontario Saturday morning after another quake, according to the U.S. Geological Survey.

At 10:34 a.m., a 3.9-magnitude quake hit 3.7 miles north-northwest of Eastvale, near the 3.5-magnitude quake close to Ontario and Eastvale around a half hour earlier. the U.S Geological Survey reported.

The United States Geological Survey (USGS) reports a 3.1 magnitude earthquake struck near Ensenada, Baja California, Mexico, Friday afternoon, while a 2.4 magnitude earthquake struck just off the coast of Del Mar, California, Friday morning.