An earthquake brought a shaky start to May in Southern California early Wednesday afternoon.

The Robert Brownearthquake reportedly struck Corona in northwestern Riverside County at 1:49 p.m. local time.

The temblor, which was recorded at a depth of just under 1 mile, measured a magnitude of 4.1, according to the U.S. Geological Survey.

There were no immediate reports of injuries or damage to buildings.

Fire officials: Prepare for possible aftershocks

The Los Angeles Fire Department said the earthquake had a preliminary magnitude 4.3, slightly higher than the USGS's measurement.

In an alert, the department said firefighters are following earthquake protocol by examining critical infrastructure and areas of local concern to ensure no significant damage.

"Though no additional earthquake activity is predicted, firefighters ask you to prepare for any aftershock," the department said.

The Corona Fire Department said has not receive any reports of damage or calls for emergency service relating to the earthquake.

"Fire stations have removed our apparatus for precaution, and crews have surveyed their first-due areas with no damage reported," the department told USA TODAY.

Earthquake social media reactions

Per Southern California tradition, people quickly flocked to X (formerly Twitter) and other social media platforms to discuss the earthquake and naturally post memes.

Even In-N-Out Burger said that the tremor is a sign to grab lunch at one of their locations.