Magnitude 4.0 earthquake shakes San Francisco Bay Area

According to initial reports, the natural disaster measured 4.0 on the Richter Scale.

This story was updated as additional aftershocks were reported.

At least eight aftershocks had been reported, following the original incident, as of 3:20 a.m.

Let us know below where you were and if you felt the 4.4 quake Monday afternoon.

According to the USGS, the epicenter was one mile from Union City, four miles from Newark, and seven miles from Fairview.

The undisturbed quality of our sleep aside, the quake did wake up plenty of people around the Bay Area.

No other reports of damage were received.

Many residents took to Twitter after waking up in the middle of the night.

California is the most seismically active zone in the United States.

The Oklahoma Oil and Gas Association released a statement earlier this year that a link may exist between earthquakes and disposal wells, but the industry, researchers and lawmakers “still don’t know enough about how wastewater injection impacts Oklahoma’s underground faults”.

The last big, damaging quake on the Hayward Fault: October 21, 1868.

The quake comes about 11 months after a magnitude 6.0 natural disaster struck the region in late August 2014.

The National Portrait Gallery plans to honor baseball’s Hank Aaron, singer Aretha Franklin, fashion designer Carolina Herrera, designer Maya Lin and U.S. Marine Cpl.