pulse
Ulaanbaatar, Mongolia (seismic) archived on July 27, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Thu Jul 27 11:43:49 2023 5.4 -179.24 -24.86 5 south of the Fiji Islands Thu Jul 27 01:25:51 2023 5.5 167.84 -14.56 6 Vanuatu (81 km SSE of Sola, Vanuatu) Thu Jul 27 00:28:58 2023 5.5 -172.89 -16.26 6 Tonga (102 km ESE of Hihifo, Tonga) Wed Jul 26 12:44:35 2023 6.4 167.92 -14.76 6 Vanuatu (96 km ENE of Port-Olry, Vanuatu) 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. 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 : 0.000386
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 : Fri Jul 28 00:00:22 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids