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<p>Earthquakes are among the most devastating geological hazards, causing extensive fatalities, infrastructure damage, and environmental disruption worldwide. Despite significant research efforts, near real-time forecasting remains a complex challenge. This study identifies short-term precursors for the February 6, 2023, earthquakes in Turkey (magnitudes 7.8 and 7.5) using data from the INTERMAGNET network. By analyzing geomagnetic field variations and Kp indices, regions of pronounced topological similarity in magnetic field curves were detected at least 150&#xa0;h, and then in the form of quasi-harmonic fluctuations 5–6&#xa0;h and 25–30&#xa0;min before the earthquakes. These findings highlight critical phenomena during the “final preparation” phase of seismic events, contributing to the understanding of earthquake precursors.</p>

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Precursors the earthquake on February 6, 2023 on the Turkey

  • 期刊论文

  • 发表日期：

    2026年1月21日

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  • Alexandr Volvach,
  • Lev Kogan,
  • Larisa Volvach,
  • Konstantin Kanonidi

摘要

Earthquakes are among the most devastating geological hazards, causing extensive fatalities, infrastructure damage, and environmental disruption worldwide. Despite significant research efforts, near real-time forecasting remains a complex challenge. This study identifies short-term precursors for the February 6, 2023, earthquakes in Turkey (magnitudes 7.8 and 7.5) using data from the INTERMAGNET network. By analyzing geomagnetic field variations and Kp indices, regions of pronounced topological similarity in magnetic field curves were detected at least 150 h, and then in the form of quasi-harmonic fluctuations 5–6 h and 25–30 min before the earthquakes. These findings highlight critical phenomena during the “final preparation” phase of seismic events, contributing to the understanding of earthquake precursors.