EPA reports: China's National Marine Forecasting Station issued an alarm on Jan. 15 on sea ice as it was developing fast off the country's eastern coast due to the severe cold including Laizhou Bay, Liaodong Bay, Jiaozhou Bay, Bohai Bay and northern Yellow Sea.

Wu Hong / EPA
A wide angle lens image showing scores of fishing boats seen blocked by sea ice at a port in rural Qingdao city, eastern China's Shandong province, Jan. 18.