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

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 | Presentation [pdf]
7:50am
8:10am
4:50pm
5:10pm
11:50pm
12:10am
Physics-Based Constraints on Kinematic Rupture Models Used in Broadband Ground Motion Simulations - Arben Pitarka
Video | Presentation [pdf]
8:10am 8:20am 5:10pm 5:20pm 12:10am 12:20am

Break

8:20am
8:40am
5:20pm
5:40pm
12:20am 12:40am Kinematic Simulation of Near Fault Ground Motions for the 2019 M7.1 Ridgecrest, CA Earthquake - Robert Graves
Video | Presentation
8:40am
9:00am
5:40pm 6:00pm 12:40am
1:00 am
Earthquake Source Characterization for Broadband Ground Motion Simulation - Hiroe Miyake
Video | Presentation [pdf]
9:00am 9:10am 6:00pm 6:10pm 1:00am 1:10am

Discussion - All
Video

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 | Presentation [pdf]
9:40am 10:00am 6:40pm 7:00pm 1:40am 2:00am Numerical Simulation of The Impact of Regional Geology on The Structural Response - Fernando Lopez-Caballero
Video | Presentation [pdf]
10:00am 10:10am 7:00pm 7:10pm 2:00am 2:10am

Break

10:10am 10:30am 7:10pm 7:30pm 2:10am 2:30am Seismically-Induced Slope Deformations: Pile Supported Wharfs and Bridges - Ahmed Elgamal
Video | Presentation [pdf]
10:30am 10:50am 7:30pm 7:50pm 2:30am 2:50am Nonlinear Site Response: A Seismology Perspective - Fabian Bonilla
Video | Presentation [pdf]
10:50am 11:00am 7:50pm 8:00pm   2:50am 3:00am Discussion - All
Video
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 New Velocity Relations for SF Bay Quaternary Sediments and Simulation of Long Duration Shaking in the East Bay Plain - Evan Hirakawa
Video | Presentation
11:50am 12:00pm 8:50pm 9:00pm 3:50am 4:00am


Break

12:00pm 12:20pm 9:00pm 9:20pm 4:00am 4:20am 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 | Presentation [pdf]
12:20am 12:40pm 9:20pm 9:40pm 4:20am 4:40am

Pushing the Simulation of Earthquake Ground Motion in the Grenoble Valley to Higher Frequencies. Part II: Verification and Validation Aspects
- Emmanuel Chaljub
Video | Presentation [pdf]

12:40pm 12:50pm 9:40pm 9:50pm 4:40am 4:50am

Discussion - All
Video


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 | Presentation [pdf]
3:20pm 3:40pm 12:20am 12:40am 7:20am 7:40am Towards Modeling Three-Dimensional Shallow Crust Nonlinearity in Broadband Deterministic Earthquake Simulations - Elnaz Seylabi
Video | Presentation [pdf]
3:40pm 3:50pm 12:40am 12:50am 7:40am 7:50am


Break

3:50pm 4:10pm 12:50am 1:10am 7:50am 8:10am A Sediment Velocity Model for The Simulation of Basin Amplification Effects in Southern California - Domniki Asimaki
Video | Presentation [pdf]
4:10pm 4:30pm 1:10am 1:30am 8:10am 8:30am

A New Approach for Broadband Site Amplification Prediction Based on The Mapping Function from Theory to Observation - Hiroshi Kawase
Video | Presentation [pdf]

4:30pm 4:40pm 1:30am 1:40am 8:30am 8:40am Discussion - All
Video
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 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

Break

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

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 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 | Presentation [pdf]
7:00pm 7:20pm 4:00am 4:20am 11:00am 11:20am A Fast Scalable Implicit Solver for Nonlinear Wave Simulation on Low-Ordered Unstructured Finite Elements to Enhance Comprehensive Earthquake Simulation - Tsuyoshi Ichimura
Video | Presentation [pdf]
7:20pm 7:30pm 4:20am 4:30am 11:20am 11:30am

Break

7:30pm 7:50pm 4:30am 4:50am 11:30am 11:50am The US DOE EQSIM Exascale Application Development for Fault-to-Structure Regional-Scale Simulations - David McCallen
Video | Presentation [pdf]
7:50pm 8:10pm 4:50am 5:10am 11:50am 12:10pm

Physics-Driven City-Scale Disaster Simulation Methods and Applications - Xinzheng Lu
Video | Presentation [pdf]

8:10pm 8:20pm 5:10am 5:20am 12:10pm 12:20pm Discussion - All
Video
8:20pm 8:30pm 5:20am 5:30am 12:20pm 12:30pm

Closing Remarks


McCallen / Mosalam - Presentation [pdf]
Video

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
Khalid Mosalam - Video

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 | Presentation [pdf]
7:50am
8:10am
4:50pm
5:10pm
11:50pm
12:10am
A Multi-Level Framework for Region-Specific Engineering Validation of Simulated Ground Motions - Carmine Galasso 
Video | Presentation [pdf]
8:10am 8:20am 5:10pm 5:20pm 12:10am 12:20am

Break

8:20am
8:40am
5:20pm
5:40pm
12:20am 12:40am 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 | Presentation [pdf]
8:40am
9:00am
5:40pm 6:00pm 12:40am
1:00 am
Significance and Validation of the Inter-Period Correlation of Simulations - Jeff Bayless
Video | Presentation [pdf]
9:00am 9:10am 6:00pm 6:10pm 1:00am 1:10am Discussion - All
Video
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 | Presentation [pdf]
9:40am 10:00am 6:40pm 7:00pm 1:40am 2:00am

Computational Workflows for Propagating Uncertainties in Regional Simulations of Earthquake Performance of Buildings and Infrastructure - Greg Deierlein 
Video | Presentation [pdf]

10:00am 10:10am 7:00pm 7:10pm 2:00am 2:10am

Break

10:10am 10:30am 7:10pm 7:30pm 2:10am 2:30am Grand Challenges for Uncertainty Quantification in Inverse Problems - Youssef Marzouk
Video | Presentation [pdf]
10:30am 10:50am 7:30pm 7:50pm 2:30am 2:50am Spatial and Statistical Characterization of P- and S-wave Velocities of Soils from Geophysical Measurements - Kallol Sett
Video | Presentation [pdf]
10:50am 11:00am 7:50pm 8:00pm   2:50am 3:00am Discussion - All
Video

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 | Presentation [pdf]
3:20pm
3:40pm
12:20am
12:40am
7:20am
7:40am
Spatial Correlations in CyberShake Ground Motion Simulations: Validation and Estimation of Non-stationarities - Jack Baker 
Video
| Presentation [pdf]
3:40pm
3:50pm
12:40am 12:50am 7:40am 7:50am

Break

3:50pm
4:10pm
12:50am 1:10am 7:50am 8:10am Verification and Validation of Regional-Scale Ground Motion Models and Simulations - Ricardo Taborda
Video | Presentation [pdf]

4:10pm
4:30pm

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

Validation of Ground Motion Simulations using Large Datasets in New Zealand - Brendon Bradley
Video | Presentation [pdf]

4:30pm
4:40pm
1:30am
1:40am
8:30am 8:40am Discussion - All
Video
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 | Presentation [pdf]
5:15pm 5:40pm 2:15am 2:40am 9:15am 9:40am 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

Break

5:50pm 6:15pm 2:50am 3:15am 9:50am 10:15am Developing a Community Accessible Database of Synthetic Ground Motion Records - Khalid Mosalam
Video | Presentation [pdf]
6:15pm 6:30pm 3:15am 3:30am 10:15am 10:30am

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 Bachuber

USGS - Morgan Moschetti

Bechtel - Farhang Ostadan 

LBNL - David McCallen

Video (part 1)
Video (part 2)
Video (part 3)
Video (part 4)
Video (part 5)

Closing Remarks and Open Discussion

David McCallen / Khalid Mosalam - Presentation [pdf]