WASHINGTON AP – Regulators on Friday shut two banks in California and two smaller banks in Georgia and South Dakota, boosting to 57 the number of federally insured banks to fail this year.

The Federal Deposit Insurance Corp. was appointed receiver of the four banks. The two biggest were Temecula Valley Bank, in Temecula, Calif., with $1.5 billion in assets and deposits of about $1.3 billion as of May 31 and Vineyard Bank, National Association, of Rancho Cucamonga, Calif. It had assets of $1.9 billion and $1.6 billion in deposits as of March 31.