An OBS is a high-tech instrument that is used to measure what is going on under our feet from metres to kilometres beneath the seafloor. The instrument consists of several parts: Seismometer Hydrophone Data Logger Releaser Flag The seismometer, or geophone, measures tiny ground vibrations. These can be due to earthquakes, underwater volcanoes, waves in the ocean, storms (and even marine vessels!). These events may cause very, very small ground vibrations that we may not sense

After a two day delay in Galway port we have finally departed! At 3 o'clock this afternoon the Galway Port pilot came aboard and guided the RV Celtic Explorer out of port. Together with the 13 Scientific Crew there are 15 Crew Members making up the PORO-CLIM Expedition party. Time-lapse footage of RV Celtic Explorer leaving Galway Port for the PORO-CLIM Expedition. Prior to our departure we spotted a Galway Port local. Recognisable by his dorsal fin- Nemo the Bottlenose Dolp