WASHINGTON (Reuters) - A magnitude 4.0 earthquake shook Northern California on Monday, the U.S. Geological Survey reported.


The quake, which was initially reported at a 4.3 magnitude, was centered a mile southeast of East Richmond Heights, northeast of San Francisco, and was at a depth of 5.5 miles, the USGS said.

There were no immediate reports of damage or injuries.

(Editing by Paul Simao)