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Component: E. AZ.PFO. PB.B084. PB.B084. PB.B084 spectrogram. PB.B084 3-4 Hz band-pass filtered. Local quakes Broad frequency. Two tremor bursts Peaked at 4 Hz. Component: N. AZ.PFO. PB.B084. PB.B084 spectrogram. PB.B084 3-4 Hz band-pass filtered. Component: Z. AZ.PFO. PB.B084.
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Component: E AZ.PFO PB.B084 PB.B084 PB.B084 spectrogram PB.B084 3-4 Hz band-pass filtered Local quakes Broad frequency Two tremor bursts Peaked at 4 Hz
Component: N AZ.PFO PB.B084 PB.B084 spectrogram PB.B084 3-4 Hz band-pass filtered
Component: Z AZ.PFO PB.B084 PB.B084 spectrogram PB.B084 3-4 Hz band-pass filtered Two tremor bursts Peaked at 10 Hz
Spectra of tremor burst in the S wave (t~1650s) Peak at 3-4 Hz in horizontal components Peak at ~10 Hz in vertical component