"The U.S. Geological Survey, in collaboration with the IceCube Neutrino Observatory, has installed the deepest seismometers ever deployed, at 8,000 feet under the ice."
"The South Pole is one of Earth's quietest places, with minimal human-made infrastructure and no background noise from the planet's rotation, which can distort seismometer data."
"Engineers drilled holes by shooting pressurized hot water into the ice, producing energy comparable to the most powerful steam locomotive, all through an orifice the size of a penny."
Researchers drilled 8,000 feet into the Antarctic ice to install two seismometers, enabling them to record earthquakes of magnitude 5 or greater globally. The South Pole's quiet environment minimizes background noise, enhancing data accuracy. The drilling process involved using pressurized hot water to melt the ice, with the drill operating at high energy levels. The seismometers are encased in a robust stainless steel vessel to withstand extreme pressure at depth, allowing for detailed insights into Earth's deep interior.
Read at www.scientificamerican.com
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