Asahi city in Chiba prefecture was suffered extensive damages by tsunami in the Great East Japan Earthquake. Iioka area where was damaged by the largest tsunami in Asahi city is outside of City planning area. In this area, the form of 'local reconstruction' was taken. It didn't perform the regulation of land use except the development of a new evacuation routes and towers. The purpose of this study is to reveal how residents suffered damage in affected area by tsunami moved or reconstructed and what kind of conditions affect local reconstruction.

The effectiveness of the use of land in an intensive agricultural rotation is influenced by a number of factors. Of great practical interest is the study of production potential of agricultural lands of agricultural organizations, the establishment of its impact on production results in crop breeding at the regional (oblast) level, where production and economic relations are closely tied. The results of such research will optimize agricultural land usage and improve specialization of agricultural production.

This paper is intended to learn from Okushiri Island which was suffered serious damage in 1993 and discusses tsunami as a key hazard which causes disaster. The purpose of this study is 1) to grasp the attributes, disaster experience, evaluation of disaster reconstruction and the consciousness of islanders and 2) to make the structure of evaluation of disaster reconstruction clear. A questionnaire survey for all 1,433 householders on the island was employed in 2015. As a result, self-help and mutual aid were supported as the most strengthening countermeasures against future disasters.