Kern County, California — A 4.3-magnitude earthquake rattled parts of Southern California on Monday morning, sending light shaking across several communities and prompting residents from Los Angeles to Orange County to report feeling the tremor.
According to the U.S. Geological Survey (USGS), the earthquake struck at approximately 9:40 a.m. in an area near Johannesburg in Kern County, just north of Edwards Air Force Base.
Despite being centered in a relatively remote area, the quake was widely felt across Southern California.
Earthquake Felt Across Southern California
Residents in multiple cities reported experiencing the shaking, with people in Los Angeles County, Orange County, and surrounding areas saying they felt the ground move.
The earthquake originated near Johannesburg, a small community in Kern County that lies within one of California’s active seismic regions.
Emergency officials did not immediately report any injuries, structural damage, or disruptions related to the earthquake.
Authorities continue to monitor the area, but no emergency alerts or evacuation orders were issued following the event.
Smaller Aftershock Recorded Later in the Morning
Less than two hours after the initial quake, the USGS recorded a second earthquake measuring magnitude 2.6 in approximately the same area.
The smaller tremor occurred at around 11:29 a.m. and is believed to have been an aftershock connected to the earlier earthquake.
Aftershocks are common following moderate earthquakes and can continue for hours, days, or even longer depending on the size of the main event.
Officials have not reported any impacts associated with the second quake.
California Experiences Thousands of Earthquakes Every Year
California is one of the most seismically active states in the country.
According to the U.S. Geological Survey, thousands of earthquakes are recorded across California every year, although the overwhelming majority are too small to be noticed by residents.
Only several hundred earthquakes annually reach a magnitude of 3.0, while approximately 15 to 20 earthquakes each year measure magnitude 4.0 or greater.
Among North American regions, only Alaska experiences more earthquakes annually than California, reflecting the state’s location along several active fault systems.
What to Do During an Earthquake
Emergency officials encourage residents to remember the “Drop, Cover, and Hold On” safety procedure whenever an earthquake strikes.
- Drop to your hands and knees immediately to avoid being knocked over.
- Cover your head and neck while taking shelter under a sturdy table or desk whenever possible. If no shelter is available, move next to an interior wall away from windows.
- Hold On to your shelter until the shaking completely stops, remaining prepared to move with it if necessary.
Keeping an emergency kit, securing heavy furniture and having a family emergency plan are also recommended to improve earthquake preparedness.
While Monday’s earthquake caused no immediate reports of injuries or damage, it served as another reminder that California remains one of the nation’s most active earthquake zones and that residents should always be prepared for future seismic activity.
Did you feel Monday’s earthquake where you live? Share your location and experience in the comments, and let others know how strong the shaking felt in your area.