pulse
Kwajalein Atoll, Marshall Islands (seismic) archived on September 18, 2023
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spectrogram

Annotated events during this period:

Time (UTC) Mag Lat Lon Depth Description ======================== === ====== ====== ===== =========== Mon Sep 18 19:33:04 2023 5.5 141.62 38.56 6 Japan (19 km NE of Onagawa Chō, Japan) Mon Sep 18 13:21:23 2023 6.3 125.30 26.43 6 Japan (180 km N of Hirara, Japan) Sun Sep 17 11:28:11 2023 5.6 -130.30 50.80 6 228 km W of Port McNeill, Canada Sat Sep 16 13:47:56 2023 5.5 66.23 -13.76 6 Fri Sep 15 18:07:39 2023 5.7 -71.57 -27.31 6 Chile (122 km W of Copiapó, Chile) Thu Sep 14 22:51:25 2023 5.6 -98.10 -36.49 6 southeast of Easter Island Total: 6 events.

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. 176
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 : 0.008073
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 : Tue Sep 19 00:00:56 UTC 2023 (about 3 years ago)
Metadata source : auto-archived factoids