many Bay Area residents say they felt the big jolt of a 3.9 earthquake on the Calaveras fault in the East Bay. It struck at 7:46 p.m. Monday night in Dublin in the hills just north of Interstate 580.

Earthquakes in North Carolina are typically mild and happen in the mountainous western part of the state. However, the Sparta community near Allegheny County’s Virginia state line has had a ...