LAKE ELSINORE, California. – According to the USGS, a magnitude 3.9 earthquake struck near Lake Elsinore on Thursday morning, followed by a magnitude 3.0 aftershock.

The US Geological Survey (USGS) said the quake was reported at 9:39 a.m. about four miles west of Lake Elsinore. It was recorded at a depth of about five and a half miles.

Just one minute later, the USGS reported a magnitude 3.0 aftershock in the same area.

In the last week alone, there were three major earthquakes in Southern California.

On Monday, a magnitude 4.4 earthquake struck near Highland Park. Shaking was widespread in Los Angeles, Orange and Riverside counties. On August 6, a magnitude 5.2 earthquake with an epicenter in the Bakersfield area was felt as far away as Los Angeles and Orange counties.

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According to Dr. Jones, Southern California has had 13 earthquakes with a magnitude of 4.0 or higher this year alone. Comparing that to the past 20 years, Southern California has had about five earthquakes with a magnitude of 4.0 or higher each year, she added.

Since 1932, the average number of earthquakes with a magnitude of 4.0 or higher in Southern California has been between 10 and 12, Jones said on social media.

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The number of earthquakes with a magnitude greater than 4.0 in 2024 is closer to the average recorded in Southern California over the past 90 years.