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Abstract <p>The migration of seismicity is one of the most striking manifestations of recent geodynamics, permeating all layers and tectonic structures of the Earth at least to a depth of 700 km, the limit where earthquakes are still detected. Each type of seismicity migration is linked to specific tectonic structures—crustal block boundaries, subduction zones, and transform faults. Viewed within a broader geodynamic context, the problem of seismicity migration contributes to a holistic understanding of the collective behavior of blocks, faults, and earthquakes, which is determined by numerous coupled processes occurring simultaneously across large spatiotemporal scales. This paper provides a review and comparative analysis of earthquake migration data from various regions reported in the literature, focusing on the main types and characteristics of migrating seismicity, proposed physical mechanisms, and current capabilities and achievements in this field of seismology.</p>

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Migration of Seismicity and Recent Geodynamics

  • 期刊论文

  • 发表日期：

    2026年2月1日

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  • V. G. Bykov,
  • Yu. O. Kuzmin

摘要

Abstract

The migration of seismicity is one of the most striking manifestations of recent geodynamics, permeating all layers and tectonic structures of the Earth at least to a depth of 700 km, the limit where earthquakes are still detected. Each type of seismicity migration is linked to specific tectonic structures—crustal block boundaries, subduction zones, and transform faults. Viewed within a broader geodynamic context, the problem of seismicity migration contributes to a holistic understanding of the collective behavior of blocks, faults, and earthquakes, which is determined by numerous coupled processes occurring simultaneously across large spatiotemporal scales. This paper provides a review and comparative analysis of earthquake migration data from various regions reported in the literature, focusing on the main types and characteristics of migrating seismicity, proposed physical mechanisms, and current capabilities and achievements in this field of seismology.