Kanto Plainsman Kanto Plainsman The Kanto Plainsman was a consolidated United States Air Force newspaper out of Tachikawa Air Base from 1961 to 1970 covering news and events of that base, as well as Fuchu Air Station, Grant Heights Housing, Green Park Housing, Washington Heights Housing, Yamato Air Station, Showa Air Station, Iwo Jima, Marcus Island, Ofuna and other minor detached Air Force properties in Japan's Kanto Plain area. The only nearby base to retain its own newspaper was Yokota Air Base. The first issue, Vol. I no. 1, appeared on 30 June 1961, replacing Tachikawa's paper "The Marauder" and other separate
2011 Tōhoku earthquake and tsunami intensities were smaller than the actual ones in some places, especially in Kanto, Koshinetsu, and Northern Tōhoku regions where the populace warning did not trigger. According to the JMA , reasons for the underestimation include a saturated magnitude scale when using maximum amplitude as input, failure to fully take into account the area of the hypocenter, and the initial amplitude of the earthquake being less than that which would be predicted by an empirical relationship. There were also cases where large differences between estimated intensities by the Earthquake Early Warning system and the actual intensities occurred in the aftershocks and