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Tsunami runup and tide-gauge observations from the 14 November 2016 M7.8 KaikAiura earthquake, New Zealand

机译:来自2016年11月14日M7.8 kaikaiura地震,新西兰的海啸跑步和潮汐仪表

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摘要

The 2016 M (w) 7.8 KaikAiura earthquake was one of the largest earthquakes in New Zealand's historical record, and it generated the most significant local source tsunami to affect New Zealand since 1947. There are many unusual features of this earthquake from a tsunami perspective: the epicentre was well inland of the coast, multiple faults were involved in the rupture, and the greatest tsunami damage to residential property was far from the source. In this paper, we summarise the tectonic setting and the historical and geological evidence for past tsunamis on this coast, then present tsunami tide gauge and runup field observations of the tsunami that followed the KaikAiura earthquake. For the size of the tsunami, as inferred from the measured heights, the impact of this event was relatively modest, and we discuss the reasons for this which include: the state of the tide at the time of the earthquake, the degree of co-seismic uplift, and the nature of the coastal environment in the tsunami source region.
机译:2016年(W)7.8 kaikaiura地震是新西兰历史记录中最大的地震之一,自1947年以来,它产生了最重要的当地来源海啸,以影响新西兰。此次地震从海啸视角存在许多不寻常的特征:震中的内陆是海岸的内陆,涉及破裂的多个缺点,对住宅物业的最大损害远离来源。在这篇论文中,我们总结了对此海岸过去海啸的构造环境和历史和地质证据,然后目前目前的海啸潮规计和沿着Kaikaiura地震之后的海啸的跑步现场观察。对于海啸的大小,从测量的高度推断出来,这一事件的影响相对谦虚,我们讨论了这一点的原因,包括:地震时期的潮汐状态,共同程度地震隆起,海啸源区沿海环境的性质。

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