SAN FRANCISCO, Jan. 10 (Xinhua) -- U.S. San Francisco was jolted by a 3.6-magnitude earthquake Friday morning at the same location as the 1906 San Francisco earthquake.
The quake occurred at a depth of 7.9 kilometers. The epicenters of this earthquake and a 3.0-magnitude aftershock were detected offshore, about 5 kilometers northwest of the San Francisco Zoo, according to the U.S. Geological Survey.
