even higher than the one in the Taro District of Miyako City, which was 37.9 meters (124 feet) as measured by Tokyo University's Earthquake Research Institute.
From Yomiuri Shinbun (in Japanese, emphasis added; 4/15/2011):
The tsumani run-up after the March 11 earthquake was 38.9 meters (127.6 feet) high on Omoe Peninsula in Miyako City, Iwate Prefecture, the survey by Professor Akio Okayasu of Tokyo University of Maritime Science and Technology revealed.
Here's a spectacular picture of Aneyoshi Fishing Port (from Miyako City website):
(And the Japanese Prime Minister wants to shave off these beautiful mountains to create "ecotowns".)