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Earthquake history GIS : Fatwa Ramdani, Tohoku University, 2013 Earthquake data: USGS Earthquake DatabaseIn Miyagi a M8.2 earthquake occurred in 1793 nearby seas, and a series of M7.4and above earthquakes followed this quake until 1978. The average intervalbetween these quakes was about 37 years
Water control system • Water control system of many important river systems including Hirose River, the improvement and development of minor rivers to protect from suffered serious damage from floods. • Water control promote the preservation and restoration of precious waterside areas such as?