Does Minnesota have a fault line?

I heard through the grape vine that there is a fault line deep down in the crust in the southern central part if minnesota near mankato. I don't know if ths is true or not, but it is part of a snow belt that we have herethat always gets hit hard with snow every year. Just wondering if they are not possibly a... show more I heard through the grape vine that there is a fault line deep down in the crust in the southern central part if minnesota near mankato. I don't know if ths is true or not, but it is part of a snow belt that we have herethat always gets hit hard with snow every year. Just wondering if they are not possibly a hundred percent true.
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