pulse
Palmer Station, Antarctica (seismic) archived on July 9, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Tue Jul 8 23:50:41 2025 5.4 -6.34 104.79 5 Indonesia (113 km SSW of Bandar Lampung, Indonesia) Tue Jul 8 21:41:30 2025 5.7 14.44 -90.66 6 Guatemala (3 km NW of San Vicente Pacaya, Guatemala) Total: 2 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 : 0.018882
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 : Thu Jul 10 00:05:22 UTC 2025 (about 10 months ago)
Metadata source : auto-archived factoids