The San Francisco earthquake of 1906 occurred on April 18, registering a 7.9 magnitude. It
A 7.0 magnitude earthquake struck Northern California near Humboldt County on December 5. Tremors were
A 7.0 magnitude earthquake struck Northern California near Humboldt County on December 5, triggering a
A 7.0 magnitude earthquake struck Humboldt County in Northern California on December 5, causing tremors