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Kunath, Pascal; Berndt, Christian; Talling, Peter J (2026): Broadband seismic and hydroacoustic records of three turbidity currents in Monterey Canyon, California, 2024-2025 (MSEED waveform files) [dataset]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.997622 (DOI registration in progress), In: Kunath, P et al. (2026): Broadband seismic, hydroacoustic and seabed temperature records of three turbidity currents in Monterey Canyon, California, 2024-2025 [dataset bundled publication]. PANGAEA, https://doi.pangaea.de/10.1594/PANGAEA.997621 (DOI registration in progress)

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Published: 2026-10-28

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Abstract:
A broadband ocean-bottom seismometer equipped with a hydrophone and temperature logger was deployed on a seabed terrace beside upper Monterey Canyon, offshore California, USA, from November 2024 to April 2025. The instrument was deployed and recovered aboard R/V Rachel Carson as part of the SeismoSands project. This dataset contains waveform records covering three turbidity currents detected on 14 December 2024, 25 February 2025 and 2 April 2025. The waveform data are provided in MiniSEED format and contain three-component seismic and hydrophone recordings sampled at 250 Hz and stored as raw digital counts. All timestamps are in Coordinated Universal Time (UTC). A station metadata table provides the station coordinates, water depth, deployment period and instrument information. The MiniSEED files can be read using ObsPy and other software supporting the MiniSEED format.
Keyword(s):
hydroacoustics; Monterey Canyon; Ocean-bottom seismometer; sediment transport; submarine canyon; Turbidity currents
Related to:
Kunath, Pascal (in prep.): Seabed tilt constrains short-lived sediment loads in powerful turbidity currents.
Documentation:
Station Metadata BOBS1 (2026). station_metadata.tsv
Coverage:
Latitude: 36.793713 * Longitude: -121.884259
Date/Time Start: 2024-12-14T00:00:00 * Date/Time End: 2025-04-02T00:00:00
Minimum Elevation: -369.4 m * Maximum Elevation: -369.4 m
Event(s):
BOBS1 * Latitude: 36.793713 * Longitude: -121.884259 * Date/Time Start: 2024-11-08T00:21:03 * Date/Time End: 2025-04-28T19:58:10 * Elevation: -369.4 m * Method/Device: Ocean bottom seismometer (OBS)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DATE/TIMEDate/TimeKunath, PascalGeocode
2Binary ObjectBinaryKunath, PascalOcean bottom seismometer, Trillium Compact, 120S
3Binary Object (Media Type)Binary (Type)Kunath, PascalOcean bottom seismometer, Trillium Compact, 120S
4Binary Object (File Size)Binary (Size)BytesKunath, PascalOcean bottom seismometer, Trillium Compact, 120S
5File contentContentKunath, Pascal
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0) (License comes into effect after moratorium ends)
Status:
Curation Level: Enhanced curation (CurationLevelC) * Processing Level: PANGAEA data processing level 1 (ProcLevel1)
Size:
32 data points

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