Infrasound from the 22-23 April 2015 eruption of Calbuco volcano, Chile

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  • เผยแพร่เมื่อ 5 ก.ย. 2024
  • Infrasound from the 22-23 April 2015 eruption of Calbuco volcano, Chile at seismo-acoustic station GO07 (216 km from the source).
    The background image shows seismo-acoustic cross-correlation and coherence analysis for station GO07. The audio component of this movie is the time-compressed GO07 infrasound data sped up 400 times to render the infrasound data audible. In this time-compressed audio transformation of the volcano-infrasound signals, a sound resembling jet noise from flight vehicles occurs coincident with the times of seismo-acoustic coherence. The asymmetric positively skewed waveforms result in crackle-like sounds. This is a copy of Movie M2 in the supporting information of Matoza et al. [2018], doi.org/10.100....
    Credit: Robin Matoza
    eos.org/resear...

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