Otago fault system

System of geological faults in the south-east of New Zealand's South Island

The Otago fault system contains multiple faults with the potential to have rupture events greater than Mw7 in magnitude. These are parallel to, and to the east of the Alpine Fault in the south eastern part of the South Island of New Zealand. It accommodates about 2 mm (0.079 in)/year of contraction.

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