Here is a map of the magnitude 2.5 or greater earthquakes reported by the United States Geological Survey on August 24, 2014. (The red lines are the plate boundaries.)
And here’s a list of those earthquakes:
And here’s a picture of a fire in the Napa, California mobile home park where my mother-in-law lives.
Her home did not burn. But almost everything inside was treated the way you might expect a 6.1 earthquake would treat the contents of a mobile home.
One story of one earthquake on one day.