Legend (Public/EarthquakeFaults)

Canterbury Fault Awareness Areas and Fault Avoidance Zones 2024 (25) Well defined fault avoidance zone Well defined - extended fault avoidance zone Well defined and distributed fault avoidance zone Distributed fault avoidance zone Uncertain fault avoidance zone Uncertain - extended fault avoidance zone Uncertain - constrained fault avoidance zone Uncertain - poorly constrained fault avoidance zone Unclassified fault avoidance zone Definite fault awareness area Likely fault awareness area Possible fault awareness area Unclassfied fault awareness area Canterbury Fault Awareness Areas 2019 (0) Definite Likely Possible Not classified More detailed mapping available - click for more information Kaikoura District Fault Avoidance Zones (22) Well Defined Well Defined - Extended Distributed Uncertain - Constrained Uncertain - Poorly Ccnstrained Kaikoura earthquake fault ruptures 2016 (1) Hanmer Fault trace 2004 (3) Top of scarp, definite Top of scarp, approximate Top of scarp, inferred Bottom of scarp, definite Bottom of scarp, approximate Bottom of scarp, inferred Hanmer Fault Natural Hazard Area Hurunui District Plan 2003 (4) Ashley Fault Zone active fault lines 2014 (6) definite fault likely fault possible fault Ashley Fault Zone active fold axes 2014 (7) definite monocline likely monocline definite anticline likely anticline likely syncline Ashley Fault Zone landform feature lines 2014 (8) terrace edge edge of high ground Ashley Fault Zone geomorphologic map units 2014 (9) Fault/fold scarp Broad escarpment River Alluvial fan Minor valley Low terraces Makerikeri low terraces Okuku Plains Terrace 1 Okuku Plains Terrace 2 Makerikeri Plains Terrace 1 Okuku Plains Terrace 3 Makerikeri Plains Terrace 2 Okuku Plains Terrace 4 Makerikeri Plains Terrace 3 Okuku Plains Terrace 5 High terrace Hill Ashley Fault Zone ground deformation 2014 (10) fault scarp broad fault scarp monoclinal flexure broad eroded fault escarpment likely fault scarp slight-moderately tilted slightly tilted ground with slight regional tilt no discernible deformation young terrace, deformation unknown river bed Ashley Fault Zone fault complexity 2014 (11) river - not zoned young river terrace - not zoned extension of adjacent deformation area(s) well-defined deformation distributed deformation uncertain - constrained deformation uncertain - poorly constrained deformation no significant deformation hazard no deformation hazard Ashley Fault Avoidance Zone 2020 (12) distributed extended uncertain - constrained uncertain - poorly constrained well-defined <all other values> Greendale Fault 2011 (14) fault, fault scarp or suspected fault broad scarp broad fold Greendale Fault complexity 2011 (15) well defined deformation distributed deformation uncertain deformation Ostler Fault Zone active fault lines and fold axes 2010 (17) fault monocline axis anticline axis river-cut terrace edge fault monocline minor fault fault - position concealed Ostler Fault Zone ground deformation 2010 (18) fault scarp monoclinal flexure moderately tilted slightly to moderately tilted slightly tilted not deformed ground modified by earthworks stream floodplain or lake surface gully floor steep slope abandoned river or stream plain Ostler Fault Zone fault complexity 2010 (19) well defined fault well-defined fault (extended) monocline or broad fault scarp monocline or broad fault (extended) moderately tilted ground Slopes/gullies adjacent moderately tilted ground slightly to moderately tilted ground Not deformed stream floodplain or lake surface gully floor ground modified by earthworks abandoned river or stream plain Ostler Fault Hazard Area in Mackenzie District Plan 2011 (20) Ostler Fault Hazard Area 2023 (24) Ostler Fault Deformation 2023 (23) Distributed Distributed (extended) Well-defined Well-defined (extended)