GEM tools in PracticeExamples from Papua New Guinea

Andrew Jones

Seismic Hazard Assessment of Papua New Guinea

Seismic Hazard in PNG?

Seismic Hazard Assessment of Papua New Guinea

Seismic Risk in PNG?

Seismic Hazard Assessment of Papua New Guinea

GA’s role

Under Record of Understanding No. 51172 between Geoscience Australia and DFAT, GA is committed to

• Strengthening capacity in Papua New Guinea to develop earthquake scenarios

• Develop the national seismic hazard map of Papua New Guinea

Why GEM?

Free, publically available and open-source

Tools/products are reasonably well-documented

Scenario and probabilistic seismic hazard and risk

Allows calculations at many scales

Runs on a single laptop as well as on a cloud

Technical support service

Geoscience Australia has signed a collaborative agreement with GEM as a public partner

Tools/Products

OpenQuake hazard engine

GEM global historical earthquake archive and catalogue

ISC-GEM global instrumental earthquake catalogue

GEM global active faults database

Hazard Modeller’s Toolkit

Seismic Hazard Assessment of Papua New Guinea

GA’s role

Under Record of Understanding No. 51172 between Geoscience Australia and DFAT, GA is committed to

• Strengthening capacity in Papua New Guinea to develop earthquake scenarios

Scenario

Accounting for spatial correlation

Supporting multiple operating systems ×

Built-in user-interface ×

Seismic Hazard Assessment of Papua New Guinea

Earthquake scenarios for PNG

Seismic Hazard Assessment of Papua New Guinea

Earthquake scenarios for PNG

Seismic Hazard Assessment of Papua New Guinea

Earthquake scenarios for PNG

GA’s role

Under Record of Understanding No. 51172 between Geoscience Australia and DFAT, GA is committed to

• Develop the national seismic hazard map of Papua New Guinea

Seismic Hazard Assessment of Papua New Guinea

Classical PSHA

Uniform Hazard Spectrum

Flexible logic-tree structure

Deaggregation

Supporting multiple operating systems ×

Built-in user-interface ×

Input model

Seismic Hazard Assessment of Papua New Guinea

Source Model A

GM11

GM12

GM13

GM21

GM22

GM23

GM31

GM32

GM33

GM41

GM42

Source Model B

Seismic Hazard Assessment of Papua New Guinea

No. of Area-Sources: 24 (18 shallow, 6 deep)

No. of Complex-Faults: 2 (along New Britain Trench)

No. of Tectonic regimes: 4(Active Shallow Crust, Subduction-Interface, Subduction-Intraslab, Stable Shallow Crust)

GEM global historical earthquake archive and catalogue

ISC-GEM global instrumental earthquake catalogue

GEM global active faults database

Hazard Modeller’s Toolkit

Seismic Hazard Assessment of Papua New Guinea

No. of Point-Sources: 53,186 (shallow and deep)

No. of Tectonic regimes: 4(Active Shallow Crust, Subduction-Interface, Subduction-Intraslab, Stable Shallow Crust)

GEM global historical earthquake archive and catalogue

ISC-GEM global instrumental earthquake catalogue

Hazard Modeller’s Toolkit

Seismic Hazard Assessment of Papua New Guinea

No. of Tectonic regimes: 4

Active Shallow Crust: 3 GMPEs

Subduction-Interface: 3 GMPEs

Subduction-Intraslab: 3 GMPEs

Stable Shallow Crust: 2 GMPEs

Supported Ground-Motion Prediction Equations by OQ

Ground-Motion Prediction Equations project

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

Seismic Hazard Assessment of Papua New Guinea

Probabilistic seismic hazard map of PNG

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Acknowledgement