pulse
Palmer Station, Antarctica (seismic) archived on April 2, 2025
download
spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Wed Apr 2 21:03:39 2025 5.9 2.12 126.76 6 Indonesia (145 km WNW of Tobelo, Indonesia) Wed Apr 2 16:26:35 2025 5.5 53.33 172.81 6 Alaska (59 km NNW of Attu Station, Alaska) Wed Apr 2 14:03:57 2025 6.2 31.00 131.47 6 Japan (54 km ENE of Nishinoomote, Japan) Wed Apr 2 00:29:22 2025 6.3 -56.93 -142.21 6 Pacific-Antarctic Ridge Tue Apr 1 10:15:54 2025 5.7 -7.59 128.61 6 Timor Leste (205 km ENE of Lospalos, Timor Leste) Total: 5 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 : 0.008041
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 : Thu Apr 3 00:02:03 UTC 2025 (about 1 year ago)
Metadata source : auto-archived factoids