pulse
Palmer Station, Antarctica (seismic) archived on May 23, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri May 23 16:33:26 2025 6.1 -56.49 147.53 6 west of Macquarie Island Thu May 22 21:28:01 2025 5.4 41.90 142.56 5 Japan (34 km SSW of Urakawa, Japan) Thu May 22 19:52:39 2025 5.7 -4.00 102.29 6 Indonesia (22 km S of Bengkulu, Indonesia) Thu May 22 08:34:36 2025 5.7 -37.46 51.41 6 S.Indian Ocean (South Indian Ocean) Thu May 22 03:19:35 2025 6.2 35.81 25.86 6 Greece (61 km NNE of Eloúnda, Greece) 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 : 0.007788
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 : Sat May 24 00:01:00 UTC 2025 (about 11 months ago)
Metadata source : auto-archived factoids