Field Survey of 2010 Mentawai Earthquake Tsunami

概要

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A tsunami generated by an earthquake of Mw 7.7 hit North and South Pagai Islands and Sipola Island of Mentawai Islands lying off the west coast of Sumatra Island. This paper reports results of a joint field survey on the tsunami disasters. In the survey tsunami inundation and runup heights were measured in North and South Pagai Islands, and interview investigation was also conducted to understand people's evacuation action in the islands. Averaged tsunami height was about 6 m in the islands, resulting in many losses of human lives and houses. However, there was a good example of evacuation. A person who heard sound of tsunami approaching run to hill with transmitting information of the tsunami coming to other residents, and therefore all residents could evacuate to save their lives.
Japan Society of Civil Engineersの論文