pulse
Ulaanbaatar, Mongolia (seismic) archived on July 2, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sun Jul 2 10:27:43 2023 6.9 -174.94 -17.85 7 Tonga Sun Jul 2 02:41:17 2023 5.6 -175.59 -23.54 6 Tonga (252 km SSW of ‘Ohonua, Tonga) Sat Jul 1 07:29:40 2023 5.8 88.72 -0.15 6 S.Indian Ocean (South Indian Ocean) Total: 3 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. 175
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 : 0.001310
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 Jul 3 00:01:22 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids