pulse
Palmer Station, Antarctica (seismic) archived on August 15, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Aug 15 10:11:55 2025 5.7 52.92 159.61 6 Russia (67 km ESE of Petropavlovsk-Kamchatsky, Russia) Fri Aug 15 07:14:30 2025 5.4 -65.02 177.87 5 Balleny Islands (Balleny Islands region) Thu Aug 14 16:22:32 2025 6.3 -11.64 166.17 6 Solomon Islands (108 km SSE of Lata, Solomon Islands) Thu Aug 14 04:38:16 2025 5.5 -18.38 -172.60 6 Tonga (148 km ENE of Neiafu, Tonga) 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 : 0.014325
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 Aug 16 00:01:11 UTC 2025 (about 8 months ago)
Metadata source : auto-archived factoids