Abstract

SINCE March 1957, a seismological station has been in operation at Scott Base (77° 51′ S., 166° 48′ E.) on Ross Island. The seismometers, three Benioff-type instruments, feed three short-period (0.2 sec.) galvanometers and three longer-period galvanometers (vertical and east–west 25 sec.; north–south 10 sec.). The installation was not explicitly designed for microseismic recording, the main objective being the determination of local seismicity. However, following some interesting qualitative observations at the Base, a preliminary examination of microseismic amplitudes and periods has been made.

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