April 3, 2015

Hello from aboard the R/V Meteor! We are currently sailing in the sunny Caribbean while our German colleagues deploy passive source ocean bottom seismometers (OBS) that will listen to any earthquakes within the next month. The American team has been readying our active source OBSs for deployment late tonight, and I have been working on piecing together sea depth data from multiple sources in order to determine what depth our instruments will land at. This is important for timing the recovery of our OBSs and making a schedule that the British, German, and American teams can follow. With three different teams, each with their own model of OBS, things have the potential to be quite confusing, so a schedule is necessary to guide everyone’s watches and keep things moving as fast as possible.

The CaySeis project is especially important to me because will use the data collected from this cruise for my PhD thesis. I am interested in the mechanisms of ultra-slow spreading and the relationship between tectonics, magmatism, and crustal structure. With the active source seismic data, hopefully I can produce 2-D velocity models along seismic lines and constrain these relationships further.

Jennifer Harding

Graduate Student at the University of Texas, Austin, UTIG

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