RELATED: Magnitude-4.3 earthquake, 3.5 aftershock jolt Livermore, San Ramon, Blackhawk area
Most people are aware of the Calavaras Fault that runs through Danville, San Ramon and Dublin.
However, back in January of 1980, a 5.5 magnitude earthquake occurred on the Greenville Fault near Livermore.
RELATED: Livermore earthquake: Bay Area reacts to magnitude-4.3 temblor on Twitter
Tuesday's shaking was felt as far south as San Jose and as far west as San Francisco.
Click here for the latest stories and videos about earthquakes here in the Bay Area and around the world, and click here for more information on disaster preparedness.
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