4.5 magnitude earthquake strikes Lake County, Northern California, affecting surrounding areas.

4.5 magnitude earthquake strikes Lake County, Northern California. The earthquake, initially reported as a 4.0 magnitude, occurred on Saturday afternoon at 12:34 p.m., 5.3 miles west of Cobb and 14.2 miles north of Healdsburg. The quake was also felt in parts of Sonoma and Mendocino counties. The USGS ShakeAlert and NBCBAYAREA.COM/QUAKES provide resources for earthquake preparedness.