Abstract
Electromagnetic emissions (EME) have been recorded in the vicinity of ice cracks created by breaking rods of ice, scouring the ice surface, applying uniaxial pressure to a cylindrical ice core and using a bore hole jack in an ice sheet. Observations were made in the frequency band of 50 Hz to 15 kHz using a two channel audio cassette recorder and wire probes both inside and outside the ice. EME events correlate with acoustic emissions events (AE) which arise during crack formation. This is consistent with similar observations made in rock materials and provides a new tool in ice investigations. The electromagnetic fields generated propagate within the ice in the form of a guided wave.
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