Report on Cruise 2010007PGC, C.C.G. Vessel John P. Tully, 30 June - 10 July 2010, SeaJade-I Seafloor Earthquake Array - Japan Canada Cascadia Experiment, Ocean bottom seismometer recovery, methane gas-plume...: M183-2/7557E-PDF
This Geological Survey of Canada Open File summarizes the activities undertaken during the retrieval phase of the SeaJade expedition (Seafloor Earthquake Array Japan Cascadia Experiment). A summary of the deployment phase can be found in Open File 7558. The main objective of this expedition was to retrieve the 35 Ocean Bottom Seismometers (OBS), which were deployed 3 months earlier to monitor earthquake activity offshore Vancouver Is. The OBS monitoring provides direct information on seismic activity beneath the continental slope and further offshore which cannot be provided by land-based seismic networks. The filling of this knowledge gap is essential to the assessment of earthquake hazard due to the Cascadia subduction fault. Secondary objectives of the expedition include acoustic imaging of known methane vent sites and conducting water-sampling. The water-sampling was conducted to measure the concentration of dissolved methane in the water above the vent sites.
Permanent link to this Catalogue record:
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| Department/Agency | Canada. Natural Resources Canada. Geological Survey of Canada. |
|---|---|
| Title | Report on Cruise 2010007PGC, C.C.G. Vessel John P. Tully, 30 June - 10 July 2010, SeaJade-I Seafloor Earthquake Array - Japan Canada Cascadia Experiment, Ocean bottom seismometer recovery, methane gas-plume acoustic imaging, and CTD-water sampling program / [by] M. Riedel ... [et al.]. |
| Series title | Open file (Geological Survey of Canada) ; 7557 |
| Publication type | Series - View Master Record |
| Language | [English] |
| Format | Electronic |
| Electronic document | |
| Note(s) | Includes bibliographical references. |
| Publishing information | Ottawa : Natural Resources Canada, 2014. |
| Author / Contributor | Riedel, Michael. |
| Description | 84 p. : figures, tables, photos. |
| Catalogue number |
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| Subject terms | Seismology Geophysics Earthquakes |
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