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#Lithuania earthquake bulletin crack
Here, we investigate the mechanical origin of this transition regime via earthquake cycle simulations, analytical dislocation models and numerical crack models on strike-slip faults. A scaling relation between seismic moment (M0) and rupture area (A) currently in use for ground motion prediction in Japan features a transition regime of the form M0–A2, between the well-recognized small (self-similar) and very large (W-model) earthquake regimes, which has counterintuitive attributes and uncertain theoretical underpinnings. Empirical earthquake scaling relations play a central role in fundamental studies of earthquake physics and in current practice of earthquake hazard assessment, and are being refined by advances in earthquake source analysis.
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