Central Otago Seismic Array

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The Central Otago Seismic Array (COSA) is designed to help characterize the nature of crustal seismicity occurring in the central South Island, New Zealand. The network spans the transition region between the Fiordland subduction zone and transpressional deformation along a major continental transform, the Alpine Fault. Specifically, COSA has been used to compile detailed microseismic catalogues, including focal mechanisms and stress inversions, and has been used to characterize the aftershock sequence of a ML6 earthquake...
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