Wellington Fault

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Subduction zone • Variation of near surface rupture – Termination at ‘seismic front’ – Splay fault rupture – Rupture to trench • Return time – 400 to 1200 years • Southern termination – Limit of GPS confirmed locking ~ Cape Palliser – Extending into Cook Strait Distribution of slip rate deficit on the Hikurangi subduction interface, estimated from ~12 years of campaign Global Positioning System (GPS) site velocities (Wallace et al., 2004). BENFIELD GNS Science
Subduction-interface rupture extending into Cook Strait • 1200 year return time • Rupture to seabed on interface • 12-18m slip in this region • Mw 8.9 BENFIELD GNS Science
Page 1 and 2: Combined Earthquake & Tsunami Lo$$e
Page 3 and 4: Question from Benfield (in 2006):
Page 5 and 6: … add tsunami to the scenarios
Page 7 and 8: Rock ledge, seaside cliffs Low-lyin
Page 9 and 10: Wellington - expensive stuff BENFIE
Page 11 and 12: Fragility Model BENFIELD GNS Scienc
Page 13 and 14: Uncertainty in fragility function 1
Page 15 and 16: Wellington Fault - vertical deforma
Page 17: 1855 reconstruction BENFIELD GNS Sc
Page 21 and 22: Estimated Losses Tsunami Source Sha
Page 23: Main Findings • tsunami does not

Wellington Fault

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