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IMAGE 194149
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Seismic data from AVO station TANO on March 8. Top) Waveform and Bottom) spectrogram of the vertical seismic data. The impulsive signals are local earthquakes while the longer duration, lower amplitude signal around 20:28 UTC is possible volcanic tremor. The signals originate near Tanaga volcano.

Date: March 8, 2023 8:20 PM UTC
Photographer/Creator: Fee, David

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Page modified: May 25, 2023 14:26
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