pulse
Ulaanbaatar, Mongolia (seismic) archived on April 6, 2024
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sat Apr 6 00:12:17 2024 5.4 143.24 40.92 5 Japan (137 km S of Honchō, Japan) Fri Apr 5 20:32:13 2024 5.6 -174.33 -18.13 6 Tonga (67 km NNW of Neiafu, Tonga) Fri Apr 5 12:45:31 2024 5.8 97.01 26.56 6 India (43 km NNE of Sarupathar, India) Fri Apr 5 11:03:16 2024 6.8 145.39 19.10 7 N.Mariana Islands (Maug Islands region, Northern Mariana Islands) Total: 4 events.

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. 176
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 : 0.000897
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 : Sun Apr 7 00:02:51 UTC 2024 (about 2 years ago)
Metadata source : auto-archived factoids