Fluid-injection-induced earthquakes characterized by hybrid-frequency waveforms manifest the transition from aseismic to seismic slip

Nature Communications, Vol. 12 (2021)

  • Hongyu Yu
  • Geological Survey of Canada
  • Rebecca M. Harrington
  • Institut für Geologie, Mineralogie und Geophysik, Ruhr-Universität Bochum
  • Honn Kao
  • Geological Survey of Canada
  • Yajing Liu
  • Department of Earth and Planetary Sciences, McGill University
  • Bei Wang
  • Geological Survey of Canada


Yu et al. report a new type of induced earthquake signal characterized by hybrid-frequency waveforms (EHW). The low-frequency source features of the EHWs suggest they may represent slow ruptures transitioning from aseismic to seismic slip.

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