An earthquake with a preliminary magnitude of 3.5 struck the Inland Empire on Saturday, which was felt by residents across a large swath of the region.
The quake, reported at 2:17 p.m. according to the United States Geological Survey , hit about 5 miles northwest of Fontana.
As of 2:40 p.m., there were no reports of injury or damage.
This is a developing story. Stay with KTLA 5 News for updates.
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Thousands of earthquakes are recorded in California yearly, but the vast majority are extremely minor. Several hundred reach a magnitude of 3.0, and only about 15 to 20 are greater than magnitude 4.0, according to the USGS .
In North America, only Alaska records more quakes per year than California.
What to do in an earthquake
During an earthquake, it’s crucial to know the proper steps to protect yourself and minimize injury. The California Department of Public Health (CDPH) provides detailed guidelines on what to do during such events. Here are the key points: