EXPLAINER: Just how hard could US sanctions hit Russia?

With Russia’s military attacking across Ukraine, President Joe Biden is expected to roll out at least some of the toughest sanctions and financial penalties that the U.S. can muster in response

WASHINGTON -- With Russia's military attacking across Ukraine, President Joe Biden is expected to announce on Thursday at least some of the toughest sanctions and financial penalties that the United States, the world's biggest economy, can muster in response.

Biden, for weeks, has promised “swift and severe costs” if Russian forces moved into Ukraine, and he made clear that the U.S. would go after Russia financially, not militarily.

Biden administration officials have described measures that would send Russia's ruble crashing, isolate Moscow from the world financial system and possibly drive the country into recession. They also have said minimizing the damage to European economies is a primary concern.

A look at some of the steps being considered and their potential impact: