A swarm of earthquakes, including one with a preliminary magnitude of 4.3, shook the Inland San Bernardino County on Thursday morning.

According to the U.S. Geological Survey, the quake struck at 9:32 a.m. The epicenter was roughly 4 miles northwest of Rialto, at a depth of about 3 miles.

The temblor followed a pair of smaller earthquakes earlier in the morning. A 3.0 was registered at 8:34 a.m. and a 2.8 magnitude quake hit about 10 minutes later.

The USGS also detected a series of four smaller quakes, including a 3.1, that were recorded in the first hour following the larger earthquake.

"Yes Southern California, that was an earthquake you just felt. Today's reminder that California is earthquake country," USGS Earthquakes posted on X.

The shaking was felt as far as Ridgecrest to the

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