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Aotearoa

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Journal Article
Published: 20 February 2024
Journal of Sedimentary Research (2024)
...Katherine L. Maier; Lorna J. Strachan; Stephanie Tickle; Alan R. Orpin; Scott D. Nodder; Jamie Howarth The 2016 Mw7.8 Kaikōura Earthquake in Aotearoa New Zealand provides an opportunity to test widely applied turbidite sedimentation models because it triggered a co-seismic turbidity current...
Journal Article
Published: 19 January 2024
Bulletin of the Seismological Society of America (2024) 114 (1): 150–181.
...Chris Rollins; Matthew C. Gerstenberger; David A. Rhoades; Sepideh J. Rastin; Annemarie Christophersen; Kiran Kumar S. Thingbaijam; Russell J. Van Dissen; Kenny Graham; Chris DiCaprio; Jeff Fraser ABSTRACT Using a new integrated earthquake catalog for Aotearoa New Zealand (described in a companion...
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Journal Article
Published: 16 January 2024
Seismological Research Letters (2024) 95 (1): 253–263.
... records in Aotearoa New Zealand. We find that the elapsed time since the last earthquake is less than the mean recurrence interval for the majority (∼70%–80%) of the >50 faults sampled. Calculated mean recurrence intervals using slip per event and slip rate for these faults do not indicate systematic...
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Journal Article
Published: 12 January 2024
Bulletin of the Seismological Society of America (2024) 114 (1): 217–243.
... forecasts based on URZ models that minimize the amount of spatial precision in which it is not justified by the available data. Because the URZ forecasts and the alternative hybrid forecasts ( Rastin, Rhoades, Rollins, Gerstenberger, et al. , 2022 ; Rastin et al. , 2024 ) of the 2022 Aotearoa New...
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Journal Article
Published: 11 January 2024
Bulletin of the Seismological Society of America (2024) 114 (1): 244–257.
.... The impact of these forecasts in the hazard space is investigated by implementing a negative‐binomial formulation in the OpenQuake hazard software suite, which is adopted by the 2022 Aotearoa New Zealand National Seismic Hazard Model. For a 10% exceedance probability of peak ground acceleration (PGA) in 50...
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Journal Article
Published: 02 January 2024
Bulletin of the Seismological Society of America (2024) 114 (1): 182–216.
...; Jeremy Maurer; Mark S. Rattenbury; John Ristau; Danijel Schorlemmer; John Townend; Pilar Villamor; Charles Williams ABSTRACT A seismicity rate model (SRM) has been developed as part of the 2022 Aotearoa New Zealand National Seismic Hazard Model revision. The SRM consists of many component models, each...
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Journal Article
Published: 21 December 2023
Bulletin of the Seismological Society of America (2024) 114 (1): 7–36.
... revision of Aotearoa New Zealand National Seismic Hazard Model (NZ NSHM 2022) has involved significant revision of all datasets and model components. In this article, we present a subset of many results from the model as well as an overview of the governance, scientific, and review processes followed...
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Journal Article
Published: 21 December 2023
Bulletin of the Seismological Society of America (2024) 114 (1): 111–136.
...Annemarie Christophersen; Sandra Bourguignon; David A. Rhoades; Trevor I. Allen; John Ristau; Jerome Salichon; John Christopher Rollins; John Townend; Matthew C. Gerstenberger ABSTRACT The 2022 revision of the New Zealand National Seismic Hazard Model—Te Tauira Matapae Pūmate Rū i Aotearoa—requires...
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Journal Article
Published: 20 November 2023
Seismological Research Letters (2024) 95 (1): 186–200.
... hazard. We compare ground‐shaking hazard forecasts from the 2022 Aotearoa New Zealand National Seismic Hazard Model (NZ NSHM 2022), which incorporates many multifault ruptures (referred to as the multifault model) with modeled hazard from a simpler model of characteristic earthquakes on individual faults...
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Journal Article
Published: 03 November 2023
Bulletin of the Seismological Society of America (2024) 114 (1): 37–56.
...Russ J. Van Dissen; Kaj M. Johnson; Hannu Seebeck; Laura M. Wallace; Chris Rollins; Jeremy Maurer; Matthew C. Gerstenberger; Charles A. Williams; Ian J. Hamling; Andrew Howell; Christopher J. DiCaprio ABSTRACT As part of the 2022 revision of the Aotearoa New Zealand National Seismic Hazard Model...
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Journal Article
Published: 27 October 2023
Bulletin of the Seismological Society of America (2024) 114 (1): 95–110.
... >50% of recorded ( M w ≥ 4.0 events) earthquakes in Aotearoa New Zealand. Here, we develop a source model for intraslab seismicity using recently augmented datasets including models of subduction interface geometries, an earthquake catalog, and a regional moment tensor catalog. For the areal zones...
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Journal Article
Published: 26 October 2023
Seismological Research Letters (2024) 95 (1): 150–158.
..., we present a model describing focal mechanisms, or more specifically, strike, dip, and rake angles, for the ruptures of shallow (hypocentral depth ≤40 km) crustal earthquakes in Aotearoa New Zealand. This model is based on delineations of neotectonic domains and analysis of pre‐existing datasets...
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Journal Article
Published: 19 October 2023
Seismological Research Letters (2024) 95 (1): 113–124.
...Annemarie Christophersen; Matthew C. Gerstenberger Abstract The 2022 revision of the New Zealand National Seismic Hazard Model—Te Tauira Matapae Pūmate Rū i Aotearoa (NZ NSHM 2022) is, like other regional and national seismic hazard models, a collection of many component models that are combined...
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Journal Article
Published: 01 November 2022
Earthquake Spectra (2022) 38 (4): 2731–2753.
.... In Italy, cordons and the space encompassed by the cordon is called zona rossa or red zone and this term was also used in Christchurch. The case studies are described in detail in the next section. For the purpose of this research, two case study sites were selected: Christchurch in Aotearoa, NZ...
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Journal Article
Published: 01 August 2022
Earthquake Spectra (2022) 38 (3): 1636–1660.
...Lauren J Vinnell; Piata Inch; David M Johnston, M. EERI; Nick Horspool Initiatives such as the ShakeOut earthquake drill (run nationally in Aotearoa New Zealand since 2012) are effective at teaching the protective actions “drop, cover, and hold” which can reduce the likelihood of injury during...
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Journal Article
Published: 26 January 2022
Seismological Research Letters (2022) 93 (3): 1452–1463.
...Lauren J. Vinnell; Emma E. Hudson‐Doyle; Piata Inch; Marion L. Tan; Julia S. Becker; David M. Johnston Abstract At 2.27 a.m., on 5 March 2021, an M w 7.3 earthquake occurred approximately 100 km off the East Cape of the North Island of Aotearoa New Zealand. This earthquake was felt across...
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Journal Article
Published: 02 September 2020
Seismological Research Letters (2020) 91 (6): 3343–3357.
... in a variety of formats, including tables, maps, and text‐based scenarios. In countries such as Aotearoa New Zealand, the U.S., and Japan, OEFs have been released by scientific organizations to agencies and the public, with the intent of providing information about future earthquake hazard and risk, so...
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Journal Article
Published: 01 May 2018
Bulletin of the Seismological Society of America (2018) 108 (3B): 1807–1817.
...Denise Blake; David Johnston; Graham Leonard; Lisa McLaren; Julia Becker Abstract On the 14 November 2016, an M 7.8 earthquake occurred in the northeast of the South Island of Aotearoa/New Zealand, causing damage to homes and disrupting critical infrastructure. The earthquake produced a local...
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Journal Article
Published: 24 May 2024
Journal of Sedimentary Research (2024) 94 (3): 283–301.
... and global carbon budgets. Kaikōura Canyon, offshore northeastern Te Waipounamu South Island, Aotearoa New Zealand, is a benthic biomass hotspot that experienced an earthquake-triggered, canyon-flushing event in 2016. On return to the canyon in October 2020, benthic landers, with sediment traps at 2 m above...
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Journal Article
Published: 01 March 2024
American Mineralogist (2024) 109 (3): 422–438.
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