An earthquake with a preliminary magnitude of 3.47 shook San Francisco Bay Area residents awake on Friday morning, according to the U.S. Geological Survey. The earthquake struck at 7:02 a.m., just 3 miles northwest of the San Francisco Zoo. The shake had a depth of 5.21 miles and no injuries have been reported.

A magnitude 3.7 earthquake was recorded in the Bay Area on Friday morning, according to the United States Geological Survey.

The Bay Area was rattled by an earthquake Friday morning that struck just off the coast of San Francisco. The 3.7 magnitude quake struck at 7:02 a.m. off the coast of San Francisco, with its epicenter about five miles southwest of the Golden Gate Bridge and two miles west of the Great Highway,

An earthquake with a preliminary magnitude of 3.7 shook San Francisco on Friday morning, the U.S. Geological Survey said. The quake struck about three miles northwest of the San Francisco Zoo at 7:02 a.

A 3.7 preliminary magnitude earthquake struck about 5 kilometers off the coast of San Francisco, according to the U.S. Geological Survey.