4.0 quake in San Francisco Bay area: USGS

An earthquake with a magnitude of 4.0 rattled the San Francisco Bay area on Monday, the US Geological Survey said.

An earthquake with a magnitude of 4.0 rattled the San Francisco Bay area on Monday, the US Geological Survey said.

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The quake's epicenter was one mile (two kilometers) north of El Cerrito, California at a depth of 8.8 kilometers, the agency said.

It struck at 5.33 am (1333 GMT).