pulse
Ulaanbaatar, Mongolia (seismic) archived on May 21, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sun May 21 22:20:05 2023 5.5 129.18 29.83 6 Japan (129 km WSW of Kurio, Japan) Sun May 21 21:11:41 2023 5.4 139.69 -52.20 5 west of Macquarie Island Sun May 21 18:44:01 2023 5.5 -125.56 40.38 6 \1 (108km W of Petrolia, CA) Sun May 21 15:45:13 2023 6.1 161.44 -10.27 6 Solomon Islands (55 km WNW of Kirakira, Solomon Islands) Sun May 21 14:56:45 2023 6.8 39.37 -43.44 7 Sun May 21 05:23:11 2023 5.8 -173.33 -19.41 6 Tonga Sat May 20 02:20:22 2023 5.4 170.37 -23.09 5 New Caledonia (298 km E of Vao, New Caledonia) Sat May 20 02:17:49 2023 5.4 170.52 -23.15 5 southeast of the Loyalty Islands * Sat May 20 02:09:54 2023 6.5 170.48 -22.95 6 southeast of the Loyalty Islands Sat May 20 01:51:01 2023 7.1 170.46 -23.06 7 southeast of the Loyalty Islands Total: 10 events; 1 not plotted (*).

About this archived stream:

Station : ULN (network: IRIS/USGS) at Ulaanbaatar, Mongolia
Sensor : STS-1V/VBB
Recorder : Quanterra QX80 @ 20 Hz
Pod : ms-rhea@x.x.31.38 | macOS 12.6.4 | psm v. 173
Speedup : ×900 (transposed up about 10 octaves)
Loop duration (real) : 48 hours
Loop duration (audio) : 03:12 (stereo)
Data channels : miniseed (IU.ULN.00.BH1 IU.ULN.00.BH2)
RMS : 0.001154
Spectrogram type : post-processed
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 : Mon May 22 00:03:00 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids