The epicenter of the 5:06 a.m. quake was located about 5 miles east-southeast of Yorba Linda and nearly 8 miles north-northeast of North Tustin, according to the USGS. Its depth was measured at just under 2 miles.
[Ads /]
There were no immediate reports of injuries or major damage.
Twitter user @LASeigel said she was awakened by a "loud jolt" in the city of Orange. Others reported feeling the temblor in Chino Hills, Los Alamitos and Aliso Viejo.
[Ads /]
Brittany Shigemasa said the earthquake "actually made things fall off shelves" in Irvine.