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KERN COUNTY, CALIF. — A 4.1 magnitude quake occurred near Frazier Park, about 65.3 miles southeast of Los Angeles, on Sunday morning, according to the U.S. Geological Survey.

A tremor shook the area at 3:38 a.m. The earthquake’s epicenter was about 1 mile east-southeast of Frazier Park and occurred at a depth of 8 miles. Seismologists first reported it as a 4.4 event, but later downgraded it to 4.1.

Did you feel it?

If you noticed the quake, you can report it through the USGS Felt Report form. 780 people have submitted responses through the agency’s online form, reporting they experienced light shaking. Residents reported feeling the tremor in multiple cities, including Fullerton, Porterville, Paramount and Los Angeles based on the USGS DYFI report.

Aftershocks reportedThe main quake was followed by at least three notable aftershocks:

• 6:01 a.m. Jul. 12: magnitude 2.2, 1.9 miles east-southeast of Frazier Park • 10:53 a.m. Jul. 12: magnitude 2.9, 1.2 miles south-southeast of Frazier Park • 3:37 p.m. Jul. 12: magnitude 2.1, 1.2 miles south-southeast of Frazier Park See all related aftershocks.

Impact and estimated losses

The USGS categorized this as a Green Alert, which means there is a low likelihood of casualties and damage. Recent earthquakes in this area have caused secondary hazards such as landslides and liquefaction that might have contributed to losses.

Structure information summaryOverall, the population in this region resides in structures that are highly resistant to earthquake shaking, though some vulnerable structures exist. The predominant vulnerable building types are unreinforced brick masonry and reinforced masonry construction.

Source: The U.S. Geological Survey