pulse
Palmer Station, Antarctica (seismic) archived on July 3, 2025
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Thu Jul 3 10:39:24 2025 5.4 -62.63 -158.97 5 Pacific-Antarctic Ridge Thu Jul 3 07:13:00 2025 5.5 29.42 129.40 6 Japan (108 km N of Tatsugō, Japan) Thu Jul 3 05:41:42 2025 5.4 -21.27 -67.24 5 Bolivia (99 km SSW of Uyuni, Bolivia) Wed Jul 2 07:15:26 2025 5.6 -17.59 -178.97 6 Fiji (189 km ENE of Levuka, Fiji) Wed Jul 2 06:26:49 2025 5.6 29.24 129.24 6 Japan (94 km NNW of Tatsugō, Japan) Wed Jul 2 02:57:17 2025 5.4 -26.74 -176.32 5 south of the Fiji Islands Wed Jul 2 01:39:39 2025 5.5 -33.57 -72.49 6 Chile (81 km W of Cartagena, Chile) Total: 7 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 : 0.007804
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 : Fri Jul 4 00:01:14 UTC 2025 (about 10 months ago)
Metadata source : auto-archived factoids