Next Generation Attenuation (NGA) Relationships Workshop - 2006 Completed
By Earthquake Hazards Program
February 2, 2022
The links in the following agendas are to PDF files of participants that have granted permission to view their presentations.
Monday, September 25
- 9:00 AM - Welcome and Overview: Mark Petersen
- 9:20 AM - Charge to Workshop Participants: Rob Wesson
- 9:30 AM - NGA Developer Presentations
- 12:00 Noon - Lunch
- 1:00 PM - Potential User Reactions
- Topic 1 - Uncertainty
- Rob Graves - Potential Bias in Recorded Ground Motions
- Steve Harmsen - Comparisons with Previous Attenuation Relations
- Mike Reichle
- Bob Youngs
Topic 2 - Directivity
Topic 3 - Soils
- Tianqing Cao - Soil Amplification
Topic 4 - Brief Discussion of Approaches to Weighting
Topic 5 - Building Code Concerns
- Possible building code spokesperson
Topic 6 - Other Concerns
- 4:00 PM - Initial Reactions of Workshop Participants
- 5:30 PM - Response of Developers
- 6:30 PM - Close
Tuesday September 26
- 9:00 AM - Presentations of Reactions/Recommendations by Workshop Participants
- 11:00 AM - Discussion
- 12:00 Noon - Lunch
- 1:00 PM - Discussion
- 2:00 PM - Preparation of written recommendations by Workshop Participants on the use of NGA in the revision of National Hazards Maps
- 5:00 PM - Close
The links in the following agendas are to PDF files of participants that have granted permission to view their presentations.
Monday, September 25
- 9:00 AM - Welcome and Overview: Mark Petersen
- 9:20 AM - Charge to Workshop Participants: Rob Wesson
- 9:30 AM - NGA Developer Presentations
- 12:00 Noon - Lunch
- 1:00 PM - Potential User Reactions
- Topic 1 - Uncertainty
- Rob Graves - Potential Bias in Recorded Ground Motions
- Steve Harmsen - Comparisons with Previous Attenuation Relations
- Mike Reichle
- Bob Youngs
Topic 2 - Directivity
Topic 3 - Soils
- Tianqing Cao - Soil Amplification
Topic 4 - Brief Discussion of Approaches to Weighting
Topic 5 - Building Code Concerns
- Possible building code spokesperson
Topic 6 - Other Concerns
- 4:00 PM - Initial Reactions of Workshop Participants
- 5:30 PM - Response of Developers
- 6:30 PM - Close
Tuesday September 26
- 9:00 AM - Presentations of Reactions/Recommendations by Workshop Participants
- 11:00 AM - Discussion
- 12:00 Noon - Lunch
- 1:00 PM - Discussion
- 2:00 PM - Preparation of written recommendations by Workshop Participants on the use of NGA in the revision of National Hazards Maps
- 5:00 PM - Close