Afternoon, according to the United States Geological Survey it happened on the green gold vault at one 11 just 7 and a half miles east of black hawk usgs Officials Say very few events have happened on this fault line in the past 20 years, a 5. 4 and a 5. 8 per felt in 1980 livermore but thats about it. There were also a few aftershocks after todays earthquake. We expect this aftershock activity to decay with time and magnitudes are going to go down also shaking was reported all over the east bay and as far north as sacramento and santa rosa some even reporting shaking in san jose aside from Light Movement of dishes usgs Officials Say there is virtually no chance of damage with a 4. 3 earthquake. And feeling are not feeling the shaking also depends on what you are standing or sitting on it really depends on how close to the oven people are and what type of rock. Or soil people are standing on so it can vary vary widely. The types of shaking people experience californians had been on hig