Science Advances

Supplementary Materials

This PDF file includes:

  • section S1. Uncertainty in estimating seismic moment, source duration, radiated energy, and REEF
  • section S2. Roughness of the MRF
  • section S3. Possible geological factors
  • fig. S1. Map of static stress drop estimates for 119 global large megathrust earthquakes.
  • fig. S2. Map of seismic moment–scaled cubed source duration for large megathrust events.
  • fig. S3. Map view of REEF estimates with the total duration assumed to be equal to 2Tc.
  • fig. S4. Comparison of radiated energy for magnitude ~7.5 earthquake measured by different methods.
  • fig. S5. Relative uncertainty estimation for radiated energy ER.
  • fig. S6. Map view of REEF values and regional average.
  • fig. S7. REEF versus MRF complexity, γ.
  • fig. S8. Fraction of high-frequency (f >0.05 Hz) radiated energy plotted with earthquake magnitude.
  • fig. S9. MRF (black) and corresponding minimum ER MRF (red) for 119 global large megathrust earthquakes.
  • fig. S10. Comparisons between REEF and subduction zone parameters.
  • table S1. Asperity size, spacing, and earthquake sizes for the modified asperity representation (Fig. 5).
  • References (32–43)

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