Abstract
A THREE-COMPONENT seismometer system was sited on limestone 15 km north of Dashti Biaz (marked AA in Fig. 1). The site was comparatively free from noise and enabled the record and playback systems to operate at a gain of more than four million at the centre frequency of the small aftershocks (10 Hz) and record most of the activity in the area.
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CRAMPIN, S., ANDERSON, G. & SHAHIDI, M. Dashti Biaz, Iran, Earthquake of August 1968. Nature 220, 904–905 (1968). https://doi.org/10.1038/220904a0
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DOI: https://doi.org/10.1038/220904a0
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