Wildomar earthquake: 4.0-magnitude quake felt in Inland Empire, Orange County

WILDOMAR, Calif. (KABC) -- A 4.0-magnitude earthquake struck the area of Wildomar at 1:21 p.m. Tuesday, according to U.S. Geological Survey.

The temblor initially registered as a 3.9 but was later upgraded by USGS.

There were reports of people feeling the quake throughout the Inland Empire and Orange County.

ABC7 has compiled a list of items that are important to have in your earthquake kit so that you're prepared for "the big one."

There were no immediate reports of damage or injuries.

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