pulse
Palmer Station, Antarctica (seismic) archived on April 4, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Apr 4 20:04:38 2025 6.9 -6.21 151.76 7 Papua New Guinea (194 km ESE of Kimbe, Papua New Guinea) Fri Apr 4 08:01:06 2025 5.7 -15.51 -174.54 6 Tonga (93 km WNW of Hihifo, Tonga) Thu Apr 3 16:05:18 2025 5.4 52.74 -34.97 5 Reykjanes Ridge Thu Apr 3 14:09:29 2025 6.9 52.46 -32.11 7 Reykjanes Ridge Thu Apr 3 04:18:19 2025 5.6 -65.07 178.63 6 Balleny Islands (Balleny Islands region) 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 : 0.007097
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 Apr 5 00:04:38 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids