pulse
Ulaanbaatar, Mongolia (seismic) archived on September 8, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Sep 8 22:11:01 2023 6.8 -8.44 31.11 7 Morocco Fri Sep 8 16:37:16 2023 5.8 -104.93 19.42 6 Fri Sep 8 15:53:22 2023 5.6 -105.02 19.45 6 Mexico (9 km NW of Emiliano Zapata, Mexico) Fri Sep 8 09:28:50 2023 5.5 142.10 38.96 6 Japan (35 km ESE of Ōfunato, Japan) Fri Sep 8 09:09:58 2023 6.6 -179.31 -32.72 7 south of the Kermadec Islands 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 : 0.007523
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 Sep 9 00:01:33 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids