A magnitude 5.6 earthquake that struck north of Redwood Valley Wednesday morning was no surprise to geologists — the quake hit on the Maacama fault, a major strand of the San Andreas system capable of producing earthquakes up to magnitude 6.5, and aftershocks are expected to continue for days.







![Both north and southbound lanes of Hwy 199 are currently closed following a tanker truck collision this morning. [Cropped photo by Caltrans]](https://kymkemp.com/wp-content/uploads/2026/06/semi-crash-880x290.jpg)












