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Development and implications of an expanded national earthquake catalogue for New Zealand
(New Zealand Society for Earthquake Engineering, 2021-04-14)
In the last two decades, New Zealand (NZ) has experienced significant earthquakes, including the 2010 M 7.2 Darfield, 2011 M 6.2 Christchurch, and 2016 M 7.8 Kaikōura events. Amongst these large events, tens of thousands ...
Wellington basin amplification: research goals and update from the National Seismic Hazard Model Programme
(New Zealand Society for Earthquake Engineering, 2021-04-14)
In Wellington, 3D basin amplification effects observed at 1 – 2 second spectral periods were identified as one factor likely to have exacerbated damage to mid-rise structures during the 2016 Mw 7.8 Kaikōura earthquake ...
Using 3D geological models to create maps of estimated Vs30 and site period
(New Zealand Society for Earthquake Engineering, 2023-04-19)
The 30-m time-averaged shear-wave velocity (Vs30) and the fundamental site period (T0) are useful parameters for understanding site conditions, informing geotechnical studies as well as infrastructure planning. Unfortunately, ...