Download SCHEDULE AT A GLANCE here.

Day 1: June 16, 2021

Time (PDT)Rome, ItalyTokyo, Japan

Session/Topic

Presentation Title


7:00am
7:30am
4:00pm
4:30pm
11:00pm
11:30pm

Opening Remarks

Welcome and Context - Khalid Mosalam

Purpose of the Pacific Rim Forum - David McCallen

Video(link is external)
7:30am 
7:50am		 4:30pm
4:50pm		 11:30pm
11:50pm





Core Elements – Current Status and Knowledge/Capability Gaps

(Session One)

Earthquake Source Representation
(Moderator: Arben Pitarka)

 Quantifying Earthquake Rupture Complexity from Theory and Observations - Martin Mai
Video(link is external) | Presentation [pdf]
7:50am
8:10am		 4:50pm
5:10pm		 11:50pm
12:10am





Core Elements – Current Status and Knowledge/Capability Gaps

(Session One)

Earthquake Source Representation
(Moderator: Arben Pitarka)

Physics-Based Constraints on Kinematic Rupture Models Used in Broadband Ground Motion Simulations - Arben Pitarka
Video(link is external) | Presentation [pdf]
8:10am 8:20am 5:10pm 5:20pm 12:10am 12:20am





Core Elements – Current Status and Knowledge/Capability Gaps

(Session One)

Earthquake Source Representation
(Moderator: Arben Pitarka)

Break
8:20am
8:40am		 5:20pm
5:40pm		 12:20am 12:40am





Core Elements – Current Status and Knowledge/Capability Gaps

(Session One)

Earthquake Source Representation
(Moderator: Arben Pitarka)

Kinematic Simulation of Near Fault Ground Motions for the 2019 M7.1 Ridgecrest, CA Earthquake - Robert Graves
Video(link is external) | Presentation
8:40am
9:00am		 5:40pm 6:00pm 12:40am
1:00 am





Core Elements – Current Status and Knowledge/Capability Gaps

(Session One)

Earthquake Source Representation
(Moderator: Arben Pitarka)

Earthquake Source Characterization for Broadband Ground Motion Simulation - Hiroe Miyake
Video(link is external) | Presentation [pdf]
9:00am 9:10am 6:00pm 6:10pm 1:00am 1:10am





Core Elements – Current Status and Knowledge/Capability Gaps

(Session One)

Earthquake Source Representation
(Moderator: Arben Pitarka)

Discussion - All
Video(link is external)
9:10am 9:20am 6:10pm 6:20pm 1:10am 1:20am

Break

Break
9:20am 9:40am 6:20pm 6:40pm 1:20am 1:40am






Core Elements – Current Status and Knowledge/Capability Gaps
(Session Two)

Nonlinear Structural Response / Soil Response
(Moderator: David McCallen)

 Progress Towards Engineering Applications of Physics-Based Numerical Simulations of Earthquake Ground Motions - Roberto Paolucci
Video(link is external) | Presentation [pdf]
9:40am 10:00am 6:40pm 7:00pm 1:40am 2:00am






Core Elements – Current Status and Knowledge/Capability Gaps
(Session Two)

Nonlinear Structural Response / Soil Response
(Moderator: David McCallen)

Numerical Simulation of The Impact of Regional Geology on The Structural Response - Fernando Lopez-Caballero
Video(link is external) | Presentation [pdf]
10:00am 10:10am 7:00pm 7:10pm 2:00am 2:10am






Core Elements – Current Status and Knowledge/Capability Gaps
(Session Two)

Nonlinear Structural Response / Soil Response
(Moderator: David McCallen)

Break
10:10am 10:30am 7:10pm 7:30pm 2:10am 2:30am






Core Elements – Current Status and Knowledge/Capability Gaps
(Session Two)

Nonlinear Structural Response / Soil Response
(Moderator: David McCallen)

Seismically-Induced Slope Deformations: Pile Supported Wharfs and Bridges - Ahmed Elgamal
Video(link is external) | Presentation [pdf]
10:30am 10:50am 7:30pm 7:50pm 2:30am 2:50am






Core Elements – Current Status and Knowledge/Capability Gaps
(Session Two)

Nonlinear Structural Response / Soil Response
(Moderator: David McCallen)

Nonlinear Site Response: A Seismology Perspective - Fabian Bonilla
Video(link is external) | Presentation [pdf]
10:50am 11:00am 7:50pm 8:00pm   2:50am 3:00am






Core Elements – Current Status and Knowledge/Capability Gaps
(Session Two)

Nonlinear Structural Response / Soil Response
(Moderator: David McCallen)

Discussion - All
Video(link is external)
11:00am 11:10am 8:00pm 8:10pm 3:00am 3:10am

Break

Break
11:10am 11:30am 8:10pm 8:30pm 3:10am 3:30am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Three)

Geologic Models to Support
High Frequency Simulations
(Stochastic Geology, Tomography,
FWI Geologic Updates)
(Moderator: Arben Pitarka)

 Modern Approaches to Characterizing Seismic Hazard for Engineering Applications: Investigating Earthquake Source Behavior and Modelling Broadband Ground Motions - Kyle Withers
11:30am 11:50am 8:30pm 8:50pm 3:30am 3:50am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Three)

Geologic Models to Support
High Frequency Simulations
(Stochastic Geology, Tomography,
FWI Geologic Updates)
(Moderator: Arben Pitarka)

New Velocity Relations for SF Bay Quaternary Sediments and Simulation of Long Duration Shaking in the East Bay Plain - Evan Hirakawa
 - Presentation
11:50am 12:00pm 8:50pm 9:00pm 3:50am 4:00am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Three)

Geologic Models to Support
High Frequency Simulations
(Stochastic Geology, Tomography,
FWI Geologic Updates)
(Moderator: Arben Pitarka)


Break
12:00pm 12:20pm 9:00pm 9:20pm 4:00am 4:20am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Three)

Geologic Models to Support
High Frequency Simulations
(Stochastic Geology, Tomography,
FWI Geologic Updates)
(Moderator: Arben Pitarka)

Pushing the Simulation of Earthquake Ground Motion in the Grenoble Valley to Higher Frequencies. Part I: Integrating Geotechnical, Geological and Geophysical Near-Surface Properties into a 3D Model - Cécile Cornou
Video(link is external) | Presentation [pdf]
12:20am 12:40pm 9:20pm 9:40pm 4:20am 4:40am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Three)

Geologic Models to Support
High Frequency Simulations
(Stochastic Geology, Tomography,
FWI Geologic Updates)
(Moderator: Arben Pitarka)

Pushing the Simulation of Earthquake Ground Motion in the Grenoble Valley to Higher Frequencies. Part II: Verification and Validation Aspects
- Emmanuel Chaljub
Video(link is external) | Presentation [pdf]
12:40pm 12:50pm 9:40pm 9:50pm 4:40am 4:50am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Three)

Geologic Models to Support
High Frequency Simulations
(Stochastic Geology, Tomography,
FWI Geologic Updates)
(Moderator: Arben Pitarka)

Discussion - All
Video(link is external)

12:50pm 3:00pm
9:50pm 12:00am
4:50am 7:00am

Break

Break
3:00pm 3:20pm 12:00am 12:20am 7:00am 7:20am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Four)

Near-Surface Geotechnical Layers
(Linear and Nonlinear)
(Moderator: Elnaz Seylabi)

 The Importance of Near-Surface Geotechnical Response on Earthquake Ground Motions in the San Francisco Bay Area - Jonathan Bray
Video(link is external) | Presentation [pdf]
3:20pm 3:40pm 12:20am 12:40am 7:20am 7:40am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Four)

Near-Surface Geotechnical Layers
(Linear and Nonlinear)
(Moderator: Elnaz Seylabi)

Towards Modeling Three-Dimensional Shallow Crust Nonlinearity in Broadband Deterministic Earthquake Simulations - Elnaz Seylabi
Video(link is external) | Presentation [pdf]
3:40pm 3:50pm 12:40am 12:50am 7:40am 7:50am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Four)

Near-Surface Geotechnical Layers
(Linear and Nonlinear)
(Moderator: Elnaz Seylabi)


Break
3:50pm 4:10pm 12:50am 1:10am 7:50am 8:10am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Four)

Near-Surface Geotechnical Layers
(Linear and Nonlinear)
(Moderator: Elnaz Seylabi)

A Sediment Velocity Model for The Simulation of Basin Amplification Effects in Southern California - Domniki Asimaki
Video(link is external) | Presentation [pdf]
4:10pm 4:30pm 1:10am 1:30am 8:10am 8:30am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Four)

Near-Surface Geotechnical Layers
(Linear and Nonlinear)
(Moderator: Elnaz Seylabi)

A New Approach for Broadband Site Amplification Prediction Based on The Mapping Function from Theory to Observation - Hiroshi Kawase
Video(link is external) | Presentation [pdf]
4:30pm 4:40pm 1:30am 1:40am 8:30am 8:40am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Four)

Near-Surface Geotechnical Layers
(Linear and Nonlinear)
(Moderator: Elnaz Seylabi)

Discussion - All
Video(link is external)
4:40pm 4:50pm 1:40am 1:50am 8:40am 8:50am

Break

Break
4:50pm 5:10pm 1:50am 2:10am 8:50am 9:10am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Five)

Geophysics / Engineering Model Coupling
(Moderator: Elnaz Seylabi)

 Rupture-to-Rafters: Scenario-Based Seismic Risk Assessment of Critical Infrastructure through Regional Earthquake Simulations
- Ertugrul Taciroglu
Video not available | Presentation [pdf]
5:10pm 5:30pm 2:10am 2:30am 9:10am 9:30am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Five)

Geophysics / Engineering Model Coupling
(Moderator: Elnaz Seylabi)

Integration of 3D Large-Scale Earthquake Simulations into The Assessment of The Seismic Risk of Bogota, Colombia - Doriam Restrepo
Video not available | Presentation [pdf]
5:30pm 5:40pm 2:30am 2:40am 9:30pm 9:40am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Five)

Geophysics / Engineering Model Coupling
(Moderator: Elnaz Seylabi)

Break
5:40pm 6:00pm 2:40am 3:00am 9:40am 10:00am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Five)

Geophysics / Engineering Model Coupling
(Moderator: Elnaz Seylabi)

Coupling Regional Scale Ground Motion Simulation and Material Point Method for Large Deformation Analyses of Coseismic Landslides
- Gang Wang
Video not available | Presentation [pdf]
6:00pm 6:20pm 3:00am 3:20am 10:00am 10:20am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Five)

Geophysics / Engineering Model Coupling
(Moderator: Elnaz Seylabi)

Utilization of Synthetic Ground Motion Time-Series for Bridge Response Assessment - Farzin Zareian
Video not available | Presentation [pdf]
6:20pm 6:30pm 3:20am 3:30am 10:20am 10:30am





Core Elements – Current Status and Knowledge/Capability Gaps
(Session Five)

Geophysics / Engineering Model Coupling
(Moderator: Elnaz Seylabi)

Discussion - All
6:30pm 6:40pm 3:30am 3:40am 10:30am 10:40am

Break

Break
6:40pm 7:00pm 3:40am 4:00am 10:40am 11:00am




Core Elements – Current Status and Knowledge/Capability Gaps
(Session Six)

Computational Considerations - Integrated Simulations Workflow, Performance and Computational Demands
(Moderator: Norm Abrahamson)

 Integration of Earth Science, Earthquake Engineering and Social Science Simulations for Earthquake Hazard, Disaster and Response Estimation - Muneo Hori
Video(link is external) | Presentation [pdf]
7:00pm 7:20pm 4:00am 4:20am 11:00am 11:20am




Core Elements – Current Status and Knowledge/Capability Gaps
(Session Six)

Computational Considerations - Integrated Simulations Workflow, Performance and Computational Demands
(Moderator: Norm Abrahamson)

A Fast Scalable Implicit Solver for Nonlinear Wave Simulation on Low-Ordered Unstructured Finite Elements to Enhance Comprehensive Earthquake Simulation - Tsuyoshi Ichimura
Video(link is external) | Presentation [pdf]
7:20pm 7:30pm 4:20am 4:30am 11:20am 11:30am




Core Elements – Current Status and Knowledge/Capability Gaps
(Session Six)

Computational Considerations - Integrated Simulations Workflow, Performance and Computational Demands
(Moderator: Norm Abrahamson)

Break
7:30pm 7:50pm 4:30am 4:50am 11:30am 11:50am




Core Elements – Current Status and Knowledge/Capability Gaps
(Session Six)

Computational Considerations - Integrated Simulations Workflow, Performance and Computational Demands
(Moderator: Norm Abrahamson)

The US DOE EQSIM Exascale Application Development for Fault-to-Structure Regional-Scale Simulations - David McCallen
Video(link is external) | Presentation [pdf]
7:50pm 8:10pm 4:50am 5:10am 11:50am 12:10pm




Core Elements – Current Status and Knowledge/Capability Gaps
(Session Six)

Computational Considerations - Integrated Simulations Workflow, Performance and Computational Demands
(Moderator: Norm Abrahamson)

Physics-Driven City-Scale Disaster Simulation Methods and Applications - Xinzheng Lu
Video(link is external) | Presentation [pdf]
8:10pm 8:20pm 5:10am 5:20am 12:10pm 12:20pm




Core Elements – Current Status and Knowledge/Capability Gaps
(Session Six)

Computational Considerations - Integrated Simulations Workflow, Performance and Computational Demands
(Moderator: Norm Abrahamson)

Discussion - All
Video(link is external)
8:20pm 8:30pm 5:20am 5:30am 12:20pm 12:30pm

Closing Remarks


McCallen / Mosalam - Presentation [pdf]
Video(link is external)

Day 2: June 17, 2021

Break

Time (PDT)Rome, ItalyTokyo, Japan

Session/Topic

Presentation Title

7:00am
7:30am
4:00pm
4:30pm
11:00pm
11:30pm


Opening Remarks

Recap of Day 1 & Objectives of Day 2

David McCallen - Video(link is external)
Khalid Mosalam - Video(link is external)
7:30am 
7:50am		 4:30pm
4:50pm		 11:30pm
11:50pm





Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session One)

Metrics and Acceptance Criteria for the Use of
Simulations in PBEE
(Moderator: Floriana Petrone)

 Guidelines on Utilization of Simulated Ground Motions for Engineering Building Response Applications - Ting Lin
Video(link is external) | Presentation [pdf]
7:50am
8:10am		 4:50pm
5:10pm		 11:50pm
12:10am





Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session One)

Metrics and Acceptance Criteria for the Use of
Simulations in PBEE
(Moderator: Floriana Petrone)

A Multi-Level Framework for Region-Specific Engineering Validation of Simulated Ground Motions - Carmine Galasso 
Video(link is external) | Presentation [pdf]
8:10am 8:20am 5:10pm 5:20pm 12:10am 12:20am





Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session One)

Metrics and Acceptance Criteria for the Use of
Simulations in PBEE
(Moderator: Floriana Petrone)

Break
8:20am
8:40am		 5:20pm
5:40pm		 12:20am 12:40am





Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session One)

Metrics and Acceptance Criteria for the Use of
Simulations in PBEE
(Moderator: Floriana Petrone)

A 4-Step Methodology for the Validation of Not-Historical Large-Event Ground-Motion Simulations: the San Francisco Bay Area Case Study - Floriana Petrone
Video(link is external) | Presentation [pdf]
8:40am
9:00am		 5:40pm 6:00pm 12:40am
1:00 am





Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session One)

Metrics and Acceptance Criteria for the Use of
Simulations in PBEE
(Moderator: Floriana Petrone)

Significance and Validation of the Inter-Period Correlation of Simulations - Jeff Bayless
Video(link is external) | Presentation [pdf]
9:00am 9:10am 6:00pm 6:10pm 1:00am 1:10am





Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session One)

Metrics and Acceptance Criteria for the Use of
Simulations in PBEE
(Moderator: Floriana Petrone)

Discussion - All
Video(link is external)
9:10am 9:20am 6:10pm 6:20pm 1:10am 1:20am

Break

Break
9:20am 9:40am 6:20pm 6:40pm 1:20am 1:40am






Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session Two)

Characterization and Propagation of Uncertainties
(Moderator: Floriana Petrone)

 Incorporation of Uncertainties in Seismic Hazard Characterization Using Numerical Simulation Models
- Norm Abrahamson 
Video(link is external) | Presentation [pdf]
9:40am 10:00am 6:40pm 7:00pm 1:40am 2:00am






Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session Two)

Characterization and Propagation of Uncertainties
(Moderator: Floriana Petrone)

Computational Workflows for Propagating Uncertainties in Regional Simulations of Earthquake Performance of Buildings and Infrastructure - Greg Deierlein 
Video(link is external) | Presentation [pdf]
10:00am 10:10am 7:00pm 7:10pm 2:00am 2:10am






Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session Two)

Characterization and Propagation of Uncertainties
(Moderator: Floriana Petrone)

Break
10:10am 10:30am 7:10pm 7:30pm 2:10am 2:30am






Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session Two)

Characterization and Propagation of Uncertainties
(Moderator: Floriana Petrone)

Grand Challenges for Uncertainty Quantification in Inverse Problems - Youssef Marzouk
Video(link is external) | Presentation [pdf]
10:30am 10:50am 7:30pm 7:50pm 2:30am 2:50am






Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session Two)

Characterization and Propagation of Uncertainties
(Moderator: Floriana Petrone)

Spatial and Statistical Characterization of P- and S-wave Velocities of Soils from Geophysical Measurements - Kallol Sett
Video(link is external) | Presentation [pdf]
10:50am 11:00am 7:50pm 8:00pm   2:50am 3:00am






Building Confidence in Regional-Scale Simulation Methods and Computational Tools
(Session Two)

Characterization and Propagation of Uncertainties
(Moderator: Floriana Petrone)

Discussion - All
Video(link is external)

11:00am   3:00pm
8:00pm 12:00am


3:00am
7:00am

Break

Break
3:00pm 3:20pm 12:00am 12:20am 7:00am
7:20am





Building Confidence in Regional-Scale Simulation
Methods and Computational Tools
(Session three)

Verification and Validation of Simulation Results
(Moderator: Arben Pitarka)

 Verification and Validation of Earthquake Ground Motion Simulation in the San Francisco Bay Area with SW4
- Artie Rodgers 
Video(link is external) | Presentation [pdf]
3:20pm
3:40pm		 12:20am
12:40am		 7:20am
7:40am





Building Confidence in Regional-Scale Simulation
Methods and Computational Tools
(Session three)

Verification and Validation of Simulation Results
(Moderator: Arben Pitarka)

Spatial Correlations in CyberShake Ground Motion Simulations: Validation and Estimation of Non-stationarities - Jack Baker 
Video(link is external) | Presentation [pdf]
3:40pm
3:50pm		 12:40am 12:50am 7:40am 7:50am





Building Confidence in Regional-Scale Simulation
Methods and Computational Tools
(Session three)

Verification and Validation of Simulation Results
(Moderator: Arben Pitarka)

Break
3:50pm
4:10pm		 12:50am 1:10am 7:50am 8:10am





Building Confidence in Regional-Scale Simulation
Methods and Computational Tools
(Session three)

Verification and Validation of Simulation Results
(Moderator: Arben Pitarka)

Verification and Validation of Regional-Scale Ground Motion Models and Simulations - Ricardo Taborda
Video(link is external) | Presentation [pdf]

4:10pm
4:30pm

 1:10am
1:30am		 8:10am 8:30am





Building Confidence in Regional-Scale Simulation
Methods and Computational Tools
(Session three)

Verification and Validation of Simulation Results
(Moderator: Arben Pitarka)

Validation of Ground Motion Simulations using Large Datasets in New Zealand - Brendon Bradley
Video(link is external) | Presentation [pdf]
4:30pm
4:40pm		 1:30am
1:40am		 8:30am 8:40am





Building Confidence in Regional-Scale Simulation
Methods and Computational Tools
(Session three)

Verification and Validation of Simulation Results
(Moderator: Arben Pitarka)

Discussion - All
Video(link is external)
4:40pm
4:50pm		 1:40am 1:50am 8:40am 8:50am

Break

Break
4:50pm 5:15pm 1:50am 2:15am 8:50am 9:15am

Transitioning to Practice for Performance Based Earthquake Engineering

A Strategy for Transition to Practice – an Appropriate Roadmap
(Moderator: David McCallen)

 A Phased Strategy for Transition of Synthetic Ground Motions Into Seismic Hazard Practice - Norm Abrahamson
Video(link is external) | Presentation [pdf]
5:15pm 5:40pm 2:15am 2:40am 9:15am 9:40am

Transitioning to Practice for Performance Based Earthquake Engineering

A Strategy for Transition to Practice – an Appropriate Roadmap
(Moderator: David McCallen)

Implementation of 3D Ground Motion Simulations in USGS Seismic Hazard Models - Morgan Moschetti
5:40pm 5:50pm 2:40am 2:50am 9:40am 9:50am

Transitioning to Practice for Performance Based Earthquake Engineering

A Strategy for Transition to Practice – an Appropriate Roadmap
(Moderator: David McCallen)

Break
5:50pm 6:15pm 2:50am 3:15am 9:50am 10:15am

Transitioning to Practice for Performance Based Earthquake Engineering

A Strategy for Transition to Practice – an Appropriate Roadmap
(Moderator: David McCallen)

Developing a Community Accessible Database of Synthetic Ground Motion Records - Khalid Mosalam
Video(link is external) | Presentation [pdf]
6:15pm 6:30pm 3:15am 3:30am 10:15am 10:30am

Transitioning to Practice for Performance Based Earthquake Engineering

A Strategy for Transition to Practice – an Appropriate Roadmap
(Moderator: David McCallen)

Discussion - All
6:30pm
6:40pm		 3:30am
3:40am		 10:30am
10:40am

Break

Break
6:40pm 8:30pm 3:40am 5:30am 10:40am 12:30pm

Operational Models for Broadening Community Access – from R&D to Community Application

Moderated Panel Discussion on Operational Model Options for Community Access to Simulated Ground Motions

California Geological Survey- Stephen Bohlen

PEER - Norm Abrahamson

PG&E - Jeff Bachhuber

USGS - Morgan Moschetti

Bechtel - Farhang Ostadan 

LBNL - David McCallen

Video(link is external) (part 1)
Video(link is external) (part 2)
Video(link is external) (part 3)
Video(link is external) (part 4)
Video(link is external) (part 5)

Closing Remarks and Open Discussion

David McCallen / Khalid Mosalam - Presentation [pdf]