pulse
Palmer Station, Antarctica (seismic) archived on May 20, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Tue May 20 15:05:58 2025 6.4 -3.85 144.77 6 Papua New Guinea (81 km ENE of Angoram, Papua New Guinea) Tue May 20 05:11:32 2025 5.6 35.32 -36.08 6 northern Mid-Atlantic Ridge Mon May 19 11:17:01 2025 5.4 -35.73 -102.98 5 southeast of Easter Island 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 : 0.024374
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 21 00:04:05 UTC 2025 (about 11 months ago)
Metadata source : auto-archived factoids