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IMAGE 169801
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Infrasound signal from the eruption of Great Sitkin on May, 25, 2021. The top plot is the infrasound (low frequency sound) wave recorded on station GSMY, roughly 6 kilometers from the vent. The eruption produced a single, loud blast at ~05:04 UTC. The bottom plot is the spectrogram, showing the frequency content of the infrasound over time.

Date: May 25, 2021 5:04 AM UTC
Volcano(es):Great Sitkin
Photographer/Creator: Fee, David

Citation Information:
Image courtesy of the AVO/UAF-GI.
Please cite the photographer and the Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute when using this image.

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Page modified: December 23, 2019 16:01
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