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4.1 magnitude quake strikes near Frazier Park community

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Kern County, Calif. — The U.S. Geological Survey recorded a 4.1 magnitude earthquake near Frazier Park at 3:38 a.m. Sunday, locating the epicenter about 1 mile east-southeast of the town at a depth of roughly 8 miles. Seismologists initially reported the event as magnitude 4.4 before revising it downward to 4.1. The agency provided the location and depth details as part of its routine seismic reporting. The main quake was followed by at least three notable aftershocks through Sunday afternoon: magnitude 2.2 at 6:01 a.m., magnitude 2.9 at 10:53 a.m., and magnitude 2.1 at 3:37 p.m., all reported near Frazier Park. The USGS logged 780 felt responses through its online DYFI form, with residents in Fullerton, Porterville, Paramount and Los Angeles describing light shaking. The agency issued a Green Alert, indicating a low likelihood of casualties or significant damage, but noted recent earthquakes in the area have produced secondary hazards such as landslides and liquefaction. The USGS also said that while most local structures are highly resistant to shaking, some vulnerable buildings, including unreinforced and reinforced masonry, remain.

Prepared by Emily Rhodes and reviewed by editorial team.

Aggregated From:

Redlands Daily Facts Whittier Daily News

Timeline of Events

3:38 a.m. Sunday — USGS records main earthquake near Frazier Park.
Shortly after — Initial automated magnitude reported as 4.4, later revised to 4.1.
6:01 a.m. Jul. 12 — Aftershock recorded, magnitude 2.2 near Frazier Park.
10:53 a.m. Jul. 12 — Aftershock recorded, magnitude 2.9 near Frazier Park.
3:37 p.m. Jul. 12 — Aftershock recorded, magnitude 2.1; USGS and local agencies monitor.

Why This Matters to You

Earthquakes can trigger landslides and liquefaction, posing risks to local communities. If you're in the area, stay alert for secondary hazards. Check your home for any structural damage, especially if it's an older building.

The Bottom Line

While the USGS issued a Green Alert, meaning low risk of significant damage, it's a reminder that earthquakes are a part of life in California. Stay prepared by keeping an emergency kit handy. Worth forwarding if you know someone in the Frazier Park area.