pulse
Palmer Station, Antarctica (seismic) archived on April 17, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Thu Apr 17 00:51:23 2025 5.6 0.35 124.84 6 Indonesia (46 km ESE of Modisi, Indonesia) Wed Apr 16 17:44:40 2025 5.4 -33.94 -179.42 5 south of the Kermadec Islands Wed Apr 16 12:41:01 2025 5.6 -32.46 -14.19 6 southern Mid-Atlantic Ridge Wed Apr 16 01:42:59 2025 6.6 -47.84 99.76 7 southeast Indian Ridge Total: 4 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 : 0.006096
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 : Fri Apr 18 00:01:38 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids