Challenges and opportunities in New Zealand seismic hazard and risk modeling using OpenQuake

被引：5
|
作者：
Abbott, Elizabeth [1 ]
Horspool, Nick [1 ]
Gerstenberger, Matt [1 ]
Huso, Rand [1 ]
Van Houtte, Chris [1 ]
McVerry, Graeme [1 ]
Canessa, Silvia [1 ]
机构：
[1] GNS Sci, POB 30-368, Lower Hutt 5040, New Zealand
来源：
EARTHQUAKE SPECTRA | 2020年 / 36卷 / 1_SUPPL期
关键词：
Seismic hazard; OpenQuake; PSHA; seismic hazard model; New Zealand seismic hazard; New Zealand seismic risk;
D O I：
10.1177/8755293020966338
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The corrected 2010 New Zealand National Seismic Hazard Model has been adapted for use in the Global Earthquake Model's OpenQuake engine through an extensive benchmarking exercise with GNS Science's legacy Fortran code. Resolution of differences between the legacy code and OpenQuake result in hazard curve output comparisons with discrepancies of less than 3% nationally and remaining discrepancies highlight challenges faced when moving away from in-house legacy code. OpenQuake's multiple and varied computation options for both hazard and risk and OpenQuake's consistent, software-friendly output formats allow for exploration and development of innovative approaches to future seismic hazard and risk modeling in New Zealand. The end-to-end seismic hazard-to-risk capabilities already enabled by the inclusion of New Zealand seismic hazard, vulnerability, and building exposure models in OpenQuake have already had significant impact on post-disaster response to the 2016 Kaikoura earthquake.
引用
收藏
页码：210 / 225
页数：16
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