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

被引:46
|
作者
Power, William [1 ]
Clark, Kate [1 ]
King, Darren N. [2 ]
Borrero, Jose [3 ,4 ]
Howarth, Jamie [1 ]
Lane, Emily M. [5 ]
Goring, Derek [6 ]
Goff, James [7 ]
Chague-Goff, Catherine [7 ]
Williams, James [8 ]
Reid, Catherine [8 ]
Whittaker, Colin [9 ]
Mueller, Christof [1 ]
Williams, Shaun [5 ]
Hughes, Matthew W. [10 ]
Hoyle, Jo [5 ]
Bind, Jochen [5 ]
Strong, Delia [1 ]
Litchfield, Nicola [1 ]
Benson, Adrian [11 ]
机构
[1] GNS Sci, POB 30368, Lower Hutt, New Zealand
[2] Natl Inst Water & Atmospher Res Ltd NIWA, 41 Market Pl, Auckland, New Zealand
[3] ECoast Marine Consulting & Res, POB 151, Waikato, New Zealand
[4] Univ Southern Calif, Dept Civil & Environm Engn, Los Angeles, CA 90089 USA
[5] Natl Inst Water & Atmospher Res Ltd NIWA, 10 Kyle St, Christchurch, New Zealand
[6] Mulgor Consulting Ltd, POB 9320, Christchurch 8149, New Zealand
[7] UNSW Australia, Sch Biol Earth & Environm Sci, PANGEA Res Ctr, Sydney, NSW 2052, Australia
[8] Univ Canterbury, Dept Geol Sci, Coll Sci, Private Bag 4800, Christchurch 8140, New Zealand
[9] Univ Auckland, Dept Civil & Environm Engn, PB 92019, Auckland 1142, New Zealand
[10] Univ Canterbury, Dept Civil & Nat Resources Engn, Coll Engn, Private Bag 4800, Christchurch 8140, New Zealand
[11] Victoria Univ Wellington, POB 600, Wellington 6140, New Zealand
关键词
Tsunami; earthquake; natural hazards; New Zealand; Kaikoura earthquake; MAXIMUM INUNDATION; WELLINGTON HARBOR; FAULT; MARLBOROUGH; CANTERBURY; INSIGHTS; MARGIN; CHILE;
D O I
10.1007/s00024-017-1566-2
中图分类号
P3 [地球物理学]; P59 [地球化学];
学科分类号
0708 ; 070902 ;
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.
引用
收藏
页码:2457 / 2473
页数:17
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