How an early earthquake warning works
A 3.2-magnitude earthquake struck Tuesday morning near San Francisco Tuesday morning at 5:36 a.m.
The earthquake, reported at 5:36 a.m., was recorded at a 4.9-kilometer depth, according to United States Geological Survey. The quake occurred right along the San Andreas Fault Line.
The epicenter of the tremor was in the Pacific, about 6.8 miles from the Golden Gate Bridge, 9.9 miles from San Francisco and 6.8 miles from Tamalpais-Homestead Valley in Marin County.
The USGS is calling Tamalpais-Homestead Valley the location of the earthquake.
No damage or injuries have been reported.