pulse
Palmer Station, Antarctica (seismic) archived on July 5, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sat Jul 5 19:42:20 2025 5.5 6.32 95.11 6 Indonesia (52 km NNW of Sabang, Indonesia) Fri Jul 4 21:29:39 2025 5.4 29.35 129.27 5 Japan (104 km NNW of Tatsugō, Japan) Fri Jul 4 15:47:46 2025 5.6 -57.02 -67.33 6 Argentina (253 km SSE of Ushuaia, Argentina) Total: 3 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 : 0.024258
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 : Sun Jul 6 00:03:32 UTC 2025 (about 10 months ago)
Metadata source : auto-archived factoids