Publication Date:
2017-05-19
Description:
ABSTRACT We describe the immediate impact of the 14 November 2016 Kaikoura magnitude 7.8 (Mw) earthquake on shore platforms and cliffs around Kaikoura Peninsula. The earthquake caused an instantaneous uplift of ~1.01 m of the peninsula. We resurveyed 7 profiles previously used for erosion monitoring and observed changes in the configuration of the shoreline. The coseismic uplift has fundamentally changed the process regime operating on the platforms and altered the future trajectory of shore platform and cliff development. Our observations highlight the interplay of waves, weathering, biology and tectonics. At this location tectonism strongly modulates the process regime, driving instantaneous changes in morphology and altering rates and patterns of erosion. Finally, the uplift of the Kaikoura coast has implications for changing resilience to climate change and sea level rise.
Print ISSN:
0197-9337
Electronic ISSN:
1096-9837
Topics:
Geography
,
Geosciences
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