A preliminary 4.0-magnitude earthquake struck near Ontario this morning, according to the U.S. Geological Survey. The quake hit at 3:51 a.m. Sunday with an epicenter of 2.8 miles northwest of Ontario.
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.
A magnitude 4.3 earthquake struck early on Sunday morning, October 6, 2024, at 3:51 am local time near Ontario in San Bernardino County, California, according to the United States Geological ...
A 4.0-magnitude earthquake near Ontario shook parts of Southern California ... On Tuesday, Oct. 1, a magnitude-3.5 quake struck nearby; it was centered two miles southeast of Ontario.
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.