where is the fukushima daiichi located?
Japan Okuma
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 A set of caves were excavated near Nagano on Honshu , the largest of the Japanese islands . In the event of invasion , these caves , the Matsushiro Underground Imperial Headquarters , were to be used by the army to direct the war and to house the Emperor and his family . 

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 The Fukushima Hamadōri earthquake was succeeded by a number of smaller tremors ; that same day , at least 11 earthquakes of magnitude 3 @.@ 5 Mj or higher were recorded near its epicentre . Of the series , the strongest registered at a magnitude of 5 @.@ 5 Mj and occurred within 3 @.@ 5 hours after the initial quake . A shallow magnitude 6 @.@ 0 Mw ( 6 @.@ 4 Mj ) earthquake and several smaller tremors struck the region on 12 April . 

contradiction
 The Fukushima Hamadōri earthquake occurred in a region with historically low levels of seismicity ; studies showed that the recent activity near the fault zone had been triggered by the Tōhoku earthquake . Ever since the earthquake triggered their reactivation , the Shionohira and Yunodake faults have provided essential data for local geological surveys on regional land deformation , sedimentary rock distribution and landslide vulnerability . In the earthquake 's aftermath , Professor Yagi Hiroshi from the Faculty of Education , Art and Science noted that " a possibility exists for widespread aftershocks of the same size to occur in the near future . " 

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 In 1954 the Japanese government merged the six villages surrounding the Residence into a single city , which was dubbed Tenri City . In the same year , the Tenrikyo central church announced the construction of the first wing of the yakata . The continuing development of the oyasato @-@ yakata is currently overseen by a committee with a small office in Tenri Seminary . 

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 The subsequent collapse formed a caldera that , after filling with water , created Lake Toba . The island in the center of the lake is formed by a resurgent dome . 
