The United States Geological Survey says there have been magnitude 4.4, 3.6, and 4.0 quakes since 5:15 p.m.
All three have been centered about nine miles west of Patterson.
The USGS estimates that these quakes generated moderate shaking and light damage.
Shaking could be felt as far away as Clovis and Lemoore.
Stay with ABC30 for the latest details on this developing story.