pulse
Ulaanbaatar, Mongolia (seismic) archived on September 20, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Wed Sep 20 19:22:32 2023 5.8 35.28 -44.84 6 Wed Sep 20 15:03:36 2023 5.7 -105.92 -4.67 6 central E.Pacific Rise (central East Pacific Rise) Wed Sep 20 14:45:59 2023 6.0 -105.75 -4.55 6 central E.Pacific Rise (central East Pacific Rise) Tue Sep 19 21:14:49 2023 5.6 171.12 -43.71 6 New Zealand (43 km W of Methven, New Zealand) Tue Sep 19 06:22:36 2023 5.8 141.98 30.98 6 Japan (Izu Islands, Japan region) Total: 5 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 : 0.000820
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 : Thu Sep 21 00:01:30 UTC 2023 (about 2 years ago)
Metadata source : auto-archived factoids