Earth ChangesDozens of earthquakes shake California where the earth is tearing apart Posted on February 2, 2026 by Administrator At least 40 earthquakes have shaken Southern California since Wednesday morning, with the largest reaching a magnitude of 4.4. The US Geological Survey recorded the first quake near Holtville at 1:40am PT on Wednesday, with the most recent detected on Thursday morning. Hundreds of California residents have issued reports of shaking to the USGS, and shockwaves were also recorded in Arizona and Mexico.