Kanto Auto Works plant. Later, the company replaced Yokosuka for car assemby with the Higashi-Fuji (established in 1968) and Iwate (established in 1993) plants. Kanto Auto Works was a public company until 2011 when, following the 2011 Tohoku earthquake, Toyota announced it would make it a wholly owned subsidiary. On July 1, 2012, Kanto Auto Works and two other Toyota subsidiaries (Central Motors and Toyota Motors Tohoku) were combined into a single company called Toyota Motor East Japan, Inc. Kanto Auto Works In April 1946, Kanto Auto Works was established in Yokosuka, Kanagawa, Japan, as an independent company called "Kanto Electric Motor Works"
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