The coronavirus pandemic could plunge Japan into deep economic stagnation, the country's central bankers warned at last week's emergency monetary policy meeting, with one seeing room for more stimulus, a summary of their discussion showed Wednesday.

The Bank of Japan expanded monetary stimulus in an unscheduled policy meeting on March 16 to ease corporate funding strains and calm financial markets jolted by the health crisis.

The central bank decided to expand its asset purchase program in a bid to stabilize financial markets through increased accumulation of exchange-traded fund securities and corporate bonds.