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OpenQuake

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Journal Article
Published: 01 October 2020
Earthquake Spectra (2020) 36 (1_suppl): 91–111.
...Trevor I Allen; Stephen Halchuk; John Adams; Graeme A Weatherill This article explores the implementation of the Natural Resources Canada’s Fifth Generation national seismic hazard model as developed for the National Building Code of Canada (NBCC), within the OpenQuake-engine. It also describes...
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Journal Article
Published: 28 August 2019
Seismological Research Letters (2019) 90 (6): 2227–2235.
...Chris Van Houtte; Elizabeth Abbott ABSTRACT This article describes the release of the GNS Science Canterbury Seismic Hazard Model (CSHM), as implemented in the Global Earthquake Model’s OpenQuake software. Time‐varying models are implemented for the 50 yr time period between 2014 and 2064, as well...
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Journal Article
Published: 01 August 2016
Earthquake Spectra (2016) 32 (3): 1383–1403.
... of concept needed for the development of open-source software that will be utilized for end-to-end earthquake risk assessment within the Global Earthquake Model's (GEM) OpenQuake framework ( Burton and Silva 2014 ). In earthquake risk engineering, the Earthquake Disaster Risk Index (EDRI; Davidson...
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Journal Article
Published: 17 June 2014
Bulletin of the Seismological Society of America (2014) 104 (4): 1636–1649.
... the OpenQuake (OQ) engine, the open‐source software for seismic hazard and risk assessment promoted by the Global Earthquake Model initiative. For a simple test case we show how the inclusion of rupture finiteness, with respect to the point‐rupture approximation, leads to a significant increase...
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Journal Article
Published: 01 May 2014
Seismological Research Letters (2014) 85 (3): 692–702.
... for the calculations. The fundamental motivations that inspired the creation of the OpenQuake Engine, the hazard and risk software developed by GEM (hereinafter OQ‐engine), are those of reproducibility, testing, and community‐based development process. Reproducibility, one of the central tenets of the scientific...
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Equivalent logic tree as implemented into the <b>OpenQuake</b>-engine that uses th...
Published: 01 October 2020
Figure 4. Equivalent logic tree as implemented into the OpenQuake-engine that uses the weighted average of occurrence rates for the collapsed a - and b -value couples, and M max branches.
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Correlation between index and <b>OpenQuake</b> losses for a concentrated network f...
Published: 01 November 2017
Figure 7. Correlation between index and OpenQuake losses for a concentrated network for method 1 (top) versus method 3C (bottom).
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Calculated hazard curves using the Cascadia interface source only ( Rogers ...
Published: 01 October 2020
Figure 2. Calculated hazard curves using the Cascadia interface source only ( Rogers et al., 2015 ) with a 125 km down-dip rupture width. The respective curves compare hazard as calculated using GSCFRISK ( Halchuk et al., 2016 ) and calculations in the OpenQuake-engine using the scaling
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Framework for integrated risk assessment in <b>OpenQuake</b>. Adapted from  Cutter...
Published: 01 August 2016
Figure 1. Framework for integrated risk assessment in OpenQuake. Adapted from Cutter (1996) , Cutter et al. (2000) .
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Mean hazard map for PGA with 10% probability of exceedance (PoE) in 50 year...
Published: 01 October 2020
Figure 3. Mean hazard map for PGA with 10% probability of exceedance (PoE) in 50 years obtained using the OpenQuake implementation of the Nath and Thingbaijam (2012) model (“A2019”).
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Logic tree and associated weights used for the 2015 Fifth Generation model ...
Published: 01 October 2020
Figure 3. Logic tree and associated weights used for the 2015 Fifth Generation model as implemented in GSCFRISK for the 2015 NBCC. The red box indicates the MFD branches that were collapsed to a single branch for implementation into the OpenQuake-engine.
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Disaggregation at a site in Ankara (coordinates of (39.96 o N, 32.84 o E)) ...
Published: 01 November 2020
Figure 1. Disaggregation at a site in Ankara (coordinates of (39.96 o N, 32.84 o E)) at low (left) and high (right) IM levels for SAT at T  = 1.82 s based on area source model of SHARE ( Giardini et al., 2013 ) using OpenQuake ( Pagani et al., 2014 ).
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Hazard curves for spectral acceleration (0.10 s) obtained for the various s...
Published: 01 November 2013
Figure 4. Hazard curves for spectral acceleration (0.10 s) obtained for the various source zones and GMPE combinations using FRISK88 (solid curves) and OpenQuake‐engine (dashed curves); see caption of Figure  3 .
Journal Article
Published: 10 March 2021
Seismological Research Letters (2021) 92 (4): 2513–2530.
... is responsible for delivering earthquake alerts in northeastern Italy. In case of a major earthquake event, the predicted damage is automatically computed using the OpenQuake software engine by means of ad hoc structural exposure and fragility models developed for the region. Damage calculations rely...
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Hazard curves obtained for the host  ECC  source using FRISK88 (solid curve...
Published: 01 November 2013
Figure 5. Hazard curves obtained for the host ECC source using FRISK88 (solid curves) and OpenQuake‐engine (dashed curves) for different combinations of GMPE and response period as indicated in the legend (see Fig.  3 caption for details).
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Comparison of ground-motion attenuation curves interpolated from the  Atkin...
Published: 01 October 2020
Figure 1. Comparison of ground-motion attenuation curves interpolated from the Atkinson and Adams (2013) ground-motion tables for shallow active crust using GSCFRISK and the OpenQuake-engine ground-motion interpolators. Comparisons are shown for a moment magnitude M W 7.15 earthquake
Journal Article
Published: 19 January 2021
Bulletin of the Seismological Society of America (2021) 111 (2): 875–897.
... intensities. Epicentral intensities of IV, IV–V, and VI–VII are predicted for the observed M L 2.9, and hypothetical M L 3.5 and 4.5 scenarios, respectively. A probabilistic analysis of damage is performed for 3500 ground‐motion realizations ( 2.1 ≤ M L ≤ 4.5 ) using the OpenQuake‐engine, with nonlinear...
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Journal Article
Published: 01 October 2020
Earthquake Spectra (2020) 36 (1_suppl): 372–394.
... risk globally using the OpenQuake-engine, an open-source software for seismic hazard and risk analysis. This model allows estimating a number of risk metrics such as annualized average losses or aggregated losses for particular return periods, which are fundamental to the development and implementation...
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Journal Article
Published: 01 October 2020
Earthquake Spectra (2020) 36 (1_suppl): 345–371.
...Figure 3. Mean hazard map for PGA with 10% probability of exceedance (PoE) in 50 years obtained using the OpenQuake implementation of the Nath and Thingbaijam (2012) model (“A2019”). ...
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Journal Article
Published: 15 May 2019
Seismological Research Letters (2019) 90 (4): 1678–1688.
...). This comparison can be used to weigh different hypotheses explored in a logic tree and discard the hypotheses that are not in agreement with the data. SHERIFS’s outputs are in a format that can be used directly as inputs for PSHA in the OpenQuake engine ( Pagani et al. , 2014 ). 11 October 2018 ©...
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