Parts of the Bay Area received a surprise early morning wake-up call Saturday morning.
USGS reported a magnitude 3.6 earthquake hit about a half-mile northeast of El Cerrito at 3:39 a.m. Saturday.
People living as far north as Vallejo, and as south as the Mountain View-area reported feeling the quake.
A Denny's Diner near the quake's epicenter had some damage to its ceiling.
Employees at the El Cerrito Denny's told KTVU they saw parts of the ceiling collapse during the earthquake.
No serious damage was done and no one was hurt at Dennys.
This story is developing, KTVU will update this story as new information is made available.