This paper focuses on a resilient water supply system for earthquake and tsunami. The 2011 off the Pacific coast of Tohoku earthquake generated not only strong ground vibration but also a tremendous tsunami. Although some of the water supply system suffered damage and water suspension occurred extensively, earthquake-resistant pipes survived and a quick recovery of water delivery was achieved. We must learn many lessons from the earthquake and tsunami disasters and exchange these lessons internationally. In this paper, earthquake performance of the water supply pipeline during the earthquake and tsunami is summarized first. Next, the paper introduces an application of Japan's earthquake-resistant technology in the city of Los Angeles.

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