The Bay Area got a quick shake Sunday morning when an earthquake rattled the region near Concord. According to early measurements by the U.S. Geological Survey, a magnitude 3.7 earthquake centered near Concord hit at approximately 8:49 a.

An earthquake with a 3.7 magnitude struck just off the coast of San Francisco, according to data from the U.S. Geological Survey. This is a breaking news update. More information to be added as available.

An earthquake shook Concord on Sunday morning, according to the United States Geological Survey. The USGS said the earthquake was a 3.9-magnitude quake. The earthquake occurred at 8:49 a.m. The quake was centered near Concord and approximately 4.