pulse
Ulaanbaatar, Mongolia (seismic) archived on August 18, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Aug 18 10:27:55 2023 5.4 -75.08 -16.11 5 Peru (82 km S of San Juan, Peru) Fri Aug 18 07:57:57 2023 5.7 -19.71 -0.45 6 central Mid-Atlantic Ridge Thu Aug 17 17:17:18 2023 5.7 -73.61 4.21 6 Colombia (6 km SW of Restrepo, Colombia) Thu Aug 17 17:04:49 2023 6.3 -73.51 4.42 6 Colombia (16 km N of Cumaral, Colombia) Thu Aug 17 16:41:01 2023 6.0 -19.57 -0.36 6 central Mid-Atlantic Ridge 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. 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 : 0.000217
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 : Sat Aug 19 00:02:46 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids