U.S. authorities have closed three banks in states Minnesota, Michigan and Colorado, going up the total number of banks closed early at 98, in the context of the largest economic crisis of the last 70 years, according to Bloomberg.

Thus, the Federal Deposit Insurance Corp. (FDIC) deposit guarantee scheme administrator in the U.S., announced Friday by the close supervision of two banks - Jennings State Bank of Spring Grove, Minnesota, and Warren Bank in Warren, Michigan. A third bank is closed Southern Colorado National Bank in Pueblo, Colorado.

FDIC Friday announced bankruptcy will cost 293.3 million U.S. dollars.

The FDIC said it will continue to guarantee bank deposits and do not require a change in the relationship with the bank for a customer to be insured.

Bankruptcies in the U.S. bank this year reached the highest number after the crisis of the early 90s, given that creditors continue to be under pressure, especially on the mortgage loans. Unemployment reached its highest level in September for the past 26 years in the United States so that banks still have customers that can not pay rates on loans.

Last year, 25 American banks were closed by the government, up from three in 2007, over 120 bankruptcies dibn past two years epuizând much of FDIC funds.

Guarantee scheme manager hopes to get 45 billion dollars in three years prepay by bank contributions to the FDIC.