pulse
Palmer Station, Antarctica (seismic) archived on March 7, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Mar 7 12:42:49 2025 5.4 5.46 94.71 5 Indonesia (69 km W of Banda Aceh, Indonesia) Fri Mar 7 12:17:51 2025 5.4 -14.67 -72.08 5 Peru (6 km W of Cayarani, Peru) Thu Mar 6 16:21:37 2025 6.1 -23.39 -69.07 6 Chile (103 km WSW of San Pedro de Atacama, Chile) 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 : 0.004664
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 Mar 8 00:01:16 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids