Wairau Fault
Active fault in New Zealand / From Wikipedia, the free encyclopedia
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The Wairau Fault is an active dextral (right lateral) strike-slip fault in the northeastern part of South Island, New Zealand. It forms part of the Marlborough Fault System, which accommodates the transfer of displacement along the oblique convergent boundary between the Indo-Australian Plate and Pacific Plate, from the transform Alpine Fault to the Hikurangi Trench subduction zone.[3]
Quick Facts Etymology, Country ...
Wairau Fault | |
---|---|
Etymology | Wairau River |
Country | New Zealand |
Region | Marlborough |
Characteristics | |
Range | up to 7.7 MW[1] |
Length | 200 km (120 mi)[1] |
Displacement | 3.5 mm (0.14 in)/year[2] |
Tectonics | |
Plate | Indo-Australian, Pacific |
Status | Active |
Earthquakes | prehistoric |
Type | Strike-slip fault |
Movement | Dextral/convergent, east side up |
Age | Miocene-Holocene |
Orogeny | Kaikoura |
New Zealand geology database (includes faults) |
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