What is the Greenville Fault?

Drew Tuma Image
Wednesday, July 17, 2019
Earthquake history of the Greenville Fault
The 4.3 earthquake in the East Bay occurred on the Greenville Fault east of Tassajara. But has there ever been an earthquake there before?

SAN FRANCISCO (KGO) -- Tuesday's 4.3 earthquake in the East Bay occurred on the Greenville Fault east of Tassajara.

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.

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