pulse
Kwajalein Atoll, Marshall Islands (seismic) archived on July 28, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Fri Jul 28 19:34:58 2023 5.6 -25.13 -58.79 6 S.Sandwich Islands (South Sandwich Islands region) Fri Jul 28 19:23:46 2023 5.6 93.45 10.50 6 India (150 km SSE of Port Blair, India) Fri Jul 28 07:58:55 2023 5.9 59.76 -30.48 6 SW.Indian Ridge (Southwest Indian Ridge) Fri Jul 28 07:13:15 2023 5.4 59.87 -30.51 5 SW.Indian Ridge (Southwest Indian Ridge) * Fri Jul 28 07:03:06 2023 5.6 59.84 -30.46 6 SW.Indian Ridge (Southwest Indian Ridge) 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) Tue Jul 25 10:35:18 2023 5.6 145.50 17.15 6 N.Mariana Islands (Alamagan region, Northern Mariana Islands) Tue Jul 25 05:44:50 2023 5.5 35.96 37.58 6 Central Turkey Tue Jul 25 00:25:10 2023 5.5 123.90 -9.12 6 Total: 12 events; 1 not plotted (*).

About this archived stream:

Station : KWJN (network: IRIS/IDA) at Kwajalein Atoll, Marshall Islands
Sensor : Streckeisen STS-5A Seismometer
Recorder : Quanterra Q330-HR @ 40 Hz
Pod : ms-osiris@x.x.161.84 | macOS 12.6.3 | psm v. 175
Speedup : ×1,000 (transposed up about 10 octaves)
Loop duration (real) : 96 hours
Loop duration (audio) : 05:45 (stereo)
Data channels : miniseed (II.KWJN.00.BH1 II.KWJN.00.BH2)
RMS : 0.012043
Spectrogram type : raw
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 Jul 29 00:04:46 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids