A series of earthquakes struck the North Coast of California early Wednesday morning, with the largest being a magnitude 5.1. - A 5.1 quake hit 40 miles west of Petrolia at 5:45 a.m., followed by a 4.5 aftershock at 6:11 a.m.
off Ferndale. - A separate 5.7 quake occurred near the California-Oregon border at 3:53 a.m., felt from Scotia to Reedsport.
- Seismologist Lori Dengler says the 5.1 is likely an aftershock of the December 2024 M7 quake, but not directly related to the 5.7. - No damage or tsunami threat was reported, but residents are urged to review earthquake preparedness.