pulse
Palmer Station, Antarctica (seismic) archived on March 16, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sun Mar 16 18:53:09 2025 5.5 9.39 40.21 6 Ethiopia (45 km N of Āwash, Ethiopia) Sat Mar 15 03:19:27 2025 5.6 17.29 -97.44 6 Mexico (5 km ESE of San Miguel Achiutla, Mexico) 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 : 0.018719
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 : Mon Mar 17 00:05:08 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids