pulse
Palmer Station, Antarctica (seismic) archived on May 6, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Tue May 6 18:15:10 2025 5.8 -4.00 -104.42 6 central E.Pacific Rise (central East Pacific Rise) Tue May 6 17:45:32 2025 5.5 -19.98 169.36 6 Vanuatu (49 km S of Isangel, Vanuatu) Mon May 5 10:53:25 2025 5.7 23.91 122.05 6 Taiwan (45 km E of Hualien City, Taiwan) Mon May 5 08:28:13 2025 5.8 16.52 -92.60 6 Mexico (3 km NNW of Mariano Matamoros, Mexico) Mon May 5 03:55:40 2025 6.0 -35.28 -107.43 6 southern E.Pacific Rise (southern East Pacific Rise) Total: 5 events.

About this archived stream:

Station : PMSA (network: IRIS/USGS) at Palmer Station, Antarctica
Sensor : STS-1VBB_w/E300
Recorder : Q330 @ 100 Hz
Pod : ms-rhea@x.x.31.38 | macOS 15.3 | psm v. 178
Speedup : ×500 (transposed up about 9 octaves)
Loop duration (real) : 48 hours
Loop duration (audio) : 05:45 (stereo)
Data channels : miniseed (IU.PMSA.00.BH1 IU.PMSA.00.BH2)
RMS : 0.008735
Spectrogram type : raw
Gain correction : 25dB
SoX post-processing : highpass -2 90 highpass -2 90
compand 0.001,0.01 6:-80,-50,-40,-10,0,-3
Archived on : Wed May 7 00:02:01 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids