QUAKE TRACKER: Track recent earthquakes in the Bay Area
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The 3.6 quake hit at 12:19 p.m. 2 miles north of Danville, followed by a magnitude-2.8 quake at 12:21 p.m and a magnitude-2.0 quake at 12:31 p.m.
VIDEO: How early earthquake warning system for West Coast could save lives
USGS officials said another 3.5-magnitude earthquake struck a mile north west from Danville at 5:28 a.m.
In addition to that, a magnitude-2.8 earthquake and 2.7-magnitude earthquake were both reported in the same area between 2:30 a.m. and 3:30 a.m.
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VIDEO: What to pack in your earthquake emergency kit
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