pulse
Casey, Antarctica (seismic) archived on April 29, 2025
download
spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Tue Apr 29 14:53:35 2025 6.8 -54.33 155.68 7 Macquarie Island (Macquarie Island region) Tue Apr 29 13:30:29 2025 5.4 -27.93 -175.18 5 Kermadec Islands (Kermadec Islands region) Tue Apr 29 13:16:32 2025 6.2 -48.18 165.34 6 New Zealand (286 km SW of Bluff, New Zealand) Sun Apr 27 17:18:27 2025 5.6 19.23 121.06 6 Philippines (69 km N of Claveria, Philippines) * Sun Apr 27 16:54:24 2025 5.5 19.14 121.19 6 Philippines (58 km N of Namuac, Philippines) Sun Apr 27 09:22:42 2025 5.9 -56.20 147.34 6 west of Macquarie Island Fri Apr 25 11:44:55 2025 6.3 1.10 -79.53 6 Ecuador (20 km NE of Esmeraldas, Ecuador) Wed Apr 23 09:49:10 2025 6.2 40.84 28.14 6 Turkey (21 km SE of Marmara Ereğlisi, Turkey) Total: 8 events; 1 not plotted (*).

About this archived stream:

Station : CASY (network: GSN) at Casey, Antarctica
Sensor : Streckheisen STS-1VBB
Recorder : Quanterra Q330 @ 20 Hz
Pod : ms-persephone@x.x.46.129 | macOS 15.2 | psm v. 178
Speedup : ×1,800 (transposed up about 11 octaves)
Loop duration (real) : 168 hours
Loop duration (audio) : 05:36 (stereo)
Data channels : miniseed (IU.CASY.10.BH1 IU.CASY.10.BH2)
RMS : 0.010908
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 : Wed Apr 30 00:00:16 UTC 2025 (about 8 months ago)
Metadata source : auto-archived factoids