A 5.1 magnitude earthquake hit Northern California near San Jose early Tuesday. It was the region's largest since a 6.0-magnitude quake hit the Napa Valley area in 2014.

There has been no reported damage or emergency calls.

The quake occurred at 11:42 a.m. local time and was centered 12 miles east of San Jose. It caused mild rattling to surrounding areas. There have been at least two aftershocks.

"Additional shaking from aftershocks can be expected in the region. We are continuing to monitor this region," the California Geological Survey tweeted.

The center of the quake was in the mountains at Joseph D. Grant County Park near Mt. Hamilton and the most intense shaking was in areas that were less populated.

According to U.S. Geological Survey, a magnitude 5.3 is a moderate earthquake and a 6.3 is a strong earthquake making this earthquake slightly less than moderate.

Although, Seismologist Dr. Lucy Jones told CBS Bay Area Tuesday's earthquake shook up the area the hardest since 2007 when a 5.4 magnitude quake hit.

Some people shared videos of their earthquake rattles on Twitter.