Persistent ridges of high pressure over the eastern half of North America have brought relatively warm and record-dry ...

A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest ...

A magnitude-4.0 earthquake rattled parts of Southern California early Sunday morning. The quake near Ontario was reported at 3:51 a.m.. Shaking was reported in parts of Los Angeles, Whittier ...

But in Ontario, one thing has been consistent: earthquake weather. From Sept. 7 through Oct. 6, the city had four quakes of magnitude 3 or greater. Those are mild and do little damage, but they ...

Testing provides an opportunity to raise awareness about the Alert Ready system and to validate that it works as intended in ...

The quake was reported about 4.3 miles southeast of Ontario at 3:51 a.m. It had a recorded depth of 5.2 km. There were no immediate reports of damage or injuries. The earthquake was followed by ...

LOS ANGELES (AP) — Fire authorities on Sunday described battling fierce, howling winds and rescuing people in a fast-moving ...

Shaking was reported in communities east of Los Angeles due to a magnitude-3.1 earthquake in Ontario. The quake with a depth of about 3.5 miles was reported at 12:56 p.m. Weak to light shaking was ...