pulse
Ulaanbaatar, Mongolia (seismic) archived on March 26, 2021
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Mar 26 15:02:16 2021 5.9 125.10 26.12 6 Japan (147 km N of Hirara, Japan) Fri Mar 26 14:12:12 2021 5.8 -159.74 -62.28 6 Pacific-Antarctic Ridge * Fri Mar 26 14:03:28 2021 5.7 -161.59 -62.56 6 Pacific-Antarctic Ridge Thu Mar 25 21:51:38 2021 5.8 -60.80 16.71 6 Guadeloupe (53 km NNE of Beauséjour, Guadeloupe) Wed Mar 24 20:57:21 2021 5.5 178.45 -26.10 6 S.of the Fiji Islands (south of the Fiji Islands) Tue Mar 23 14:14:18 2021 5.4 81.15 41.81 5 China (100 km NE of Aksu, China) Tue Mar 23 07:08:53 2021 5.4 3.67 79.57 5 Svalbard and Jan Mayen (297 km WNW of Longyearbyen, Svalbard and Jan Mayen) Sat Mar 20 08:42:39 2021 5.5 171.65 -23.16 6 SE.of the Loyalty Islands (southeast of the Loyalty Islands) Sat Mar 20 02:09:45 2021 7.0 141.61 38.48 7 Japan (27 km ENE of Ishinomaki, Japan) Fri Mar 19 22:19:31 2021 6.1 150.31 -59.62 6 W.of Macquarie Island (west of Macquarie Island) Fri Mar 19 22:09:34 2021 5.4 -175.88 -24.64 5 S.of Tonga (south of Tonga) Fri Mar 19 20:06:33 2021 5.7 -98.81 16.65 6 Mexico (7 km N of Marquelia, Mexico) Fri Mar 19 18:49:18 2021 5.8 -27.31 47.29 6 N.Mid-Atlantic Ridge (northern Mid-Atlantic Ridge) Total: 13 events; 1 not plotted (*).

About this archived stream:

Station : ULN (network: IRIS/USGS) at Ulaanbaatar, Mongolia
Sensor : STS-1V/VBB
Recorder : Quanterra QX80 @ 20 Hz
Pod : ms-urania@x.x.45.31 | macOS 10.14.5 | psm v. 160
Speedup : ×900 (transposed up about 10 octaves)
Loop duration (real) : 168 hours
Loop duration (audio) : 11:12 (stereo)
Data channels : miniseed (IU.ULN.00.BH1 IU.ULN.00.BH2)
RMS : 0.000810
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 Mar 27 00:04:09 UTC 2021 (about 5 years ago)
Metadata source : auto-archived factoids