International Federation of Digital Seismograph Networks

YR (2021-2021): An Open-Access, Controlled-Source Seismic Dataset Across the Cascadia Accretionary Wedge From Multi-Scale Regional OBS and Focus

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FDSN Network Information

FDSN code YR (2021-2021) Network name An Open-Access, Controlled-Source Seismic Dataset Across the Cascadia Accretionary Wedge From Multi-Scale Regional OBS and Focus (Cascadia)
Start year 2021 Operated by
  • whoi.edu
End year 2021 Deployment region -
Description

The goal of this project is to acquire an open-access, marine wide-angle seismic reflection/refraction dataset across the Cascadia accretionary wedge encompassing the full length of the margin. This survey will consist of the deployment and recovery of short-period multicomponent ocean bottom seismometers using standard free-fall and acoustic release techniques, and the deployment and recovery of large-N arrays of ocean bottom nodes leased from a commercial provider using a remotely operated vehicle. The sensors will record the controlled-source acoustic signals of a seismic reflection survey off the Cascadia margin planned for summer 2020. The data collected will be open-access and will be released to the community immediately after acquisition and checked for quality control. The data will be reduced to standard digital formats as well as provided as a raw continuous digital time series. The seismometer and nodal arrays will sample the seismic wavefields at different spati!

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