Magnitude 4.2 earthquake shook Northern California

Magnitude 4.2 earthquake shook Northern California

"ShakeAlert" was issued as a precaution.

"ShakeAlert" was issued as a precaution.

The quake centered near Isleton in Sacramento County

No immediate reports of injuries or damage

Isleton city manager Chuck Bergson reported minor effects

ILevees along the Delta appeared undamaged

Sacramento County is known for its proximity to the Sacramento River