OAKLAND, CALIFORNIA (REUTERS) - A small 3.8-magnitude earthquake shook buildings in Oakland, California, on Monday (May 14) evening, a Reuters witness and the US Geological Survey (USGS) said.

There were no immediate signs of damage from the quake, said Reuters witnesses in both Oakland and San Francisco.

The quake struck about three km east-north-east of Oakland, at a shallow depth of nine km, said the USGS.