pulse
Palmer Station, Antarctica (seismic) archived on March 22, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sat Mar 22 09:49:25 2025 5.6 51.26 -176.20 6 Alaska (74 km SSE of Adak, Alaska) Sat Mar 22 01:15:14 2025 5.5 -26.01 -178.82 6 south of the Fiji Islands Fri Mar 21 14:58:26 2025 5.7 51.12 -176.02 6 Alaska (93 km SSE of Adak, Alaska) * Fri Mar 21 14:53:41 2025 6.2 51.17 -176.14 6 Alaska (85 km SSE of Adak, Alaska) Fri Mar 21 14:50:56 2025 6.5 7.20 -82.30 6 Panama (111 km SE of Burica, Panama) * Fri Mar 21 14:50:51 2025 6.2 7.05 -82.40 6 Panama (120 km SSE of Burica, Panama) Total: 6 events; 2 not plotted (*).

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 : 0.009880
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 : Sun Mar 23 00:05:27 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids