As the nation struggles to come to terms with last week's devastating earthquake, Japan's J.League has postponed all matches in March and the national team may pull out of the Copa America, local media reported on Monday.
The International Skating Union (ISU) also said Japan would not stage the World Figure Skating Championships scheduled for March 21-27.
The BBC is reporting ongoing aftershocks across Japan, which are spreading continuing panic.
Manufacturer Kyocera says it will donate 100 million yen ($1.2 million) for relief aid and reconstruction.
Further news of donations: actor Bae Yong Joon and boy-band member Kim Hyun Joong, both from South Korea, are donating 1 billion won ($888,000) and 100 million won respectively, Kyodo reports.
Panasonic is suspending operations in a factory affected by the earthquake. The firm is reporting minor injuries to employees and damage to equipment and buildings, but no major fires or collapsed buildings.
Bank of Japan says it has supplied an additional 41 billion yen (500 million dollars) to financial institutions in quake-hit areas.
Sell-offs on the Tokyo Stock Exchange have totaled 23.5 billion yen ($287 billion). The Nikkei average fell 6.2%, its biggest single day drop since October 2008, with more than 4.88 billion shares changing hands on the first section, the highest number since World War 2.
