Attenuation Relationships
- Attenuate program
- see Interactive Examples for specific relationships
- For Eastern and Central North America
- For Subduction Zones
- For Western North America
- Overview

Capacity design

Design spectra - see Response spectra
DSHA - see Seismic hazard analysis

Earthquakes
- Energy
- Intensity
- Magnitude
- Magnitude estimates based on fault length
- Sources
- Sources of damage
Elastic Rebound Theory
Elastic response spectra - see Response spectra

Faulting
- Rupture length
- Types
FEMA 273
- Design philosophy

Ground motion
- Amplitude
- At a site
      Estimating
      Factors influencing
- Frequency content
- Duration

Inelastic response spectra - see Response spectra
Interactive Examples
- Attenuation relationships
      Abrahamson and Silva
      Anderson
      Atkinson and Boore, Cascadia
      Atkinson and Boore, CENA
      Boore, Joyner and Fumal
      Campbell
      Sadigh, et al.
      Spudich, et al.
      Toro, Abrahamson and Schneider
      Youngs, et al.
- Drift controlled preliminary frame design
- Modification of response spectra
- Newmark and Hall response spectra

Near fault ground motions
- Effect on elastic response spectra
- Motion characteristics at a site
Nonlinear response spectra - see Response spectra

Performance-based Design
- Common limit states
- Current approaches:
      Vision 2000
      SAC Steel Project
      FEMA 273
- Current code performance
- Limit states design
- Reference documents
- Uncertainty and randomness in
PSHA - see Seismic hazard analysis

Response spectra
- Elastic design spectra
      Code-stipulated
      Changing the amount of viscous damping
      Effects of damping
      Effects of directivity
      Effects of soil conditions
      Empirically derived
      Newmark and Hall
      Site-specific
      Statistically derived
      Uses of
- Inelastic design

SAC Steel Project
- Design Philosopy
Seismic design philosophies/approaches
- Capacity design
- Damage tolerant design
- Elastic/ allowable stress design
- Limit states design - see Performance-based Design
- Nonlinear design
Seismic design process
- Determination of functional and operational requirements
- Engineering
- Overview
- Quality control/assurance
- Selection of structural system
- Site evaluation
Seismic hazard analysis
- Deterministic (DSHA)
- Probabilistic (PSHA)

Vision 2000