SAN FRANCISCO (CBS SF) – The U.S. Geological Survey is reporting an initial 2.2-magnitude earthquake that shook just a few miles offshore from San Francisco Tuesday morning.
The quake was recorded at 12:46 a.m. about 4 miles west-northwest of the San Francisco Zoo in the Pacific Ocean, according to the USGS.
The temblor had a depth of about 5.5 miles, according to the USGS.
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