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Dan Kot refurbishing Ocean Bottom Seismometers in the OBS Lab.

Dan Kot refurbishing Ocean Bottom Seismometers in the OBS Lab.
Dan Kot refurbishing Ocean Bottom Seismometers in the OBS Lab.
Dan Kot refurbishing Ocean Bottom Seismometers in the OBS Lab.
Dan Kot refurbishing Ocean Bottom Seismometers in the OBS Lab.
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Kleindinst, Thomas N.
Dan Kot refurbishing Ocean Bottom Seismometers in the OBS Lab.
Still Image
05/09/2016
graphics/OBS_Lab/_DSC1828.jpg
Image Of the Day caption:
WHOI senior engineering assistant Dan Kot refurbishes one of the glass pressure housings from an ocean-bottom seismograph (OBS). This type of seismograph is used to measure the movement of the Earths crust under water, where most natural earthquakes occur. The thick glass spheres protect the data logger and batteries of an OBS from the high pressures and low temperatures of the deep ocean; The spheres in turn are protected by yellow or orange plastic hardhats. An aluminum or titanium housing protects the instruments seismometer.
Photo by Tom Kleindinst
© Woods Hole Oceanographic Institution
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