No earthquake was reported in Tokyo area Wednesday, but ground-shaking rumbles echoed across the city. They emanated from the mighty blows hurled by Sumo Grand Champion Tochinishiki with a giant mallet in the traditional "mochi-tsuki" (pounding of rice cake) in preparation for the New Year celebrations. Underling Hideminato prepares to kneed the gooey stuff. Chiyonoyama, another Grand Champion, is shown at the extreme left.