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

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Sun Jun 18 21:59:17 2023 6.0 31.12 -48.62 6 south of Africa Sun Jun 18 20:30:22 2023 6.4 -108.63 23.24 6 Mexico (105 km ESE of La Rivera, Mexico) Sun Jun 18 15:04:49 2023 5.8 -175.74 -23.77 6 Sun Jun 18 14:29:39 2023 5.7 -175.80 -23.97 6 Tonga (Tonga region) Sat Jun 17 23:16:23 2023 5.4 -175.65 -23.88 5 Tonga (Tonga region) Sat Jun 17 18:44:57 2023 5.7 -173.21 -14.83 6 Samoa Islands (Samoa Islands region) Sat Jun 17 11:36:00 2023 5.7 147.36 47.95 6 Sat Jun 17 11:26:21 2023 6.0 -175.43 -23.44 6 Tonga (237 km SSW of ‘Ohonua, Tonga) Sat Jun 17 10:15:21 2023 5.5 121.21 19.20 6 Philippines (65 km N of Namuac, Philippines) Total: 9 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 : 0.001041
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 Jun 19 00:01:36 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids