pulse
Palmer Station, Antarctica (seismic) archived on March 18, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Tue Mar 18 22:52:35 2025 5.4 -55.18 -29.13 5 S.Sandwich Islands (South Sandwich Islands region) Mon Mar 17 22:23:37 2025 5.4 1.90 99.14 5 Indonesia (43 km ENE of Sibolga, Indonesia) Mon Mar 17 17:32:17 2025 5.8 -2.87 130.16 6 Indonesia (140 km ENE of Masohi, Indonesia) Mon Mar 17 09:50:25 2025 5.5 19.58 -108.95 6 Revilla Gigedo Islands (Revilla Gigedo Islands region) 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 : 0.013625
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 : Wed Mar 19 00:04:30 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids