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Seismic wave attenuation and velocity anomalies in the eastern Scotia Sea


As part of a more general investigation of the structure and plate tectonics of the Scotia Sea early in 1972 a temporary seismographic station was installed at King Edward Point, the British Antarctic Survey station on South Georgia (see Fig. 1). The station (KEP) comprises a three-component set of short-period Willmore seismometers at position 54.28° S, 36.48° W, and two single channel (vertical) outstations with telemeter links to KEP; all five channels record on magnetic tape. Interest has been concentrated on a study of activity associated with the South Sandwich Islands subduction zone1.

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BRETT, C., GRIFFITHS, D. Seismic wave attenuation and velocity anomalies in the eastern Scotia Sea. Nature 253, 613–614 (1975).

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