Self-affine growth pattern of earthquake rupture zones

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10 Citations (Scopus)


Data from 41 moderate and large earthquakes have been used to derive a scaling law for fault parameters. Fault length L, width W and area S are empirically related by L∝S and W∝Sβ where 0.6<α<0.7, 0.3<β<0.4 and α+β=1. These relations indicate that the growth pattern of earthquake rupture zones is statistically self-affine. It is also found that these relations are similar to the relation derived from a diffusion-limited aggregation (DLA) model with anisotropic sticking probability. This suggests that a modified DLA model could describe the evolution of earthquake rupture zones.

Original languageEnglish
Pages (from-to)263-271
Number of pages9
JournalPure and Applied Geophysics
Issue number2
Publication statusPublished - 1994 Jun


  • a modified DLA model
  • Earthquake rupture zones
  • scaling law
  • self-affine


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