Strike-slip ground-surface rupture (Greendale Fault) associated with the 4 September 2010 Darfield earthquake, Canterbury, New Zealand

D. J.A. Barrell, N. J. Litchfield, D. B. Townsend, M. Quigley, R. J. Van Dissen, R. Cosgrove, S. C. Cox, K. Furlong, P. Villamor, J. G. Begg, S. Hemmings-Sykes, R. Jongens, H. Mackenzie, D. Noble, T. Stahl, E. Bilderback, B. Duffy, H. Henham, A. Klahn, E. M.W. LangL. Moody, R. Nicol, K. Pedley, A. Smith

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

This paper provides a photographic tour of the ground-surface rupture features of the Greendale Fault, formed during the 4 September 2010 Darfield earthquake. The fault, previously unknown, produced at least 29.5 km of strike-slip surface deformation of right-lateral (dextral) sense. Deformation, spread over a zone between 30 and 300 m wide, consisted mostly of horizontal flexure with subsidiary discrete shears, the latter only prominent where overall displacement across the zone exceeded about 1.5 m. A remarkable feature of this event was its location in an intensively farmed landscape, where a multitude of straight markers, such as fences, roads and ditches, allowed precise measurements of offsets, and permitted well-defined limits to be placed on the length and widths of the surface rupture deformation.

Original languageEnglish (US)
Pages (from-to)283-291
Number of pages9
JournalQuarterly Journal of Engineering Geology and Hydrogeology
Volume44
Issue number3
DOIs
StatePublished - Aug 1 2011

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Geology
  • Earth and Planetary Sciences (miscellaneous)

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