Two of the ten most damaging earthquakes in recorded history happened on January 17th ... The Northridge Earthquake in Southern California happened just one year earlier, in 1994.

Northern California residents could feel aftershocks as high as magnitude 6.0 for months following Thursday morning's magnitude 7.0 earthquake that hit offshore in Eureka, California. The main ...

This movie documents the evolution of an earthquake swarm near Cahuilla, California, over the time period 2016-2017. Earthquake epicenters are shown as dots. Past events are colored according to ...

A 7.0 magnitude earthquake struck near Humboldt County in California, and tremors were also felt in Oregon. Residents of Rio Dell, Eureka, Santa Rosa, and Sacramento reported strong shakes.