Damage to State Highway 73 from the 29 May 1995, Arthur's Pass earthquake

  • B.R. Paterson Patterson and Coates Assosiates, Christchurch, New Zealand
  • J. B. Berrill University of Canterbury, Christchurch, New Zealand

Abstract

On 29 May 1995, a magnitude M 5.5 earthquake centred near Arthur's Pass caused considerable damage to State Highway 73 in Arthur's Pass National Park, almost a year after the highway was closed by a magnitude M 6.5 earthquake. Although earthquake magnitudes and epicentral locations for the two events accounted for some differences in extent and severity of slope failure and highway damage, the lower magnitude 1995 earthquake initiated significant rockfall above the Zig Zag, unaffected by the 1994 earthquake. The greater ground damage than anticipated at the Zig Zag and in Otira Gorge could be due more to direction of seismic wave propagation relative to Otira Valley, and predisposition of slope materials to failure, than to earthquake magnitude.

References

J B Berrill, K J McManus and G H Clarke, 1995, A note on the Arthur's Pass earthquake, 18 June 1994. Bull. of N.Z. National Society for Earthquake Engineering, 28(4):

B R Paterson and P J Bourne-Webb, 1994, Reconnaissance report on highway damage from the 18 June 1994 Arthur's Pass earthquake. Bull. of N.Z. National Society for Earthquake Engineering, 27(3):222- 226. DOI: https://doi.org/10.5459/bnzsee.27.3.222-226

A Pattie and J H Wood, 1995, Ground shaking intensity and damage at Lake Coleridge Power Station in the 18 June 1994 Avoca River Earthquake. Bull. of N.Z. National Society for Earthquake Engineering, 27(3):227- 230. DOI: https://doi.org/10.5459/bnzsee.27.3.227-230

R J Van Dissen and K R Berryman, 1995, The Arthur's Pass (Avoca) earthquake of 18 June, 1994: an overdue note regarding landslide damage and the search for surface rupture. Geological Society of N.Z. Newsletter, 107: 28-33. DOI: https://doi.org/10.5459/bnzsee.28.4.294-299

T Amadottir, J Bevan and C Pearson . In press. Deformation associated with the 18 June, 1994, Arthur's Pass earthquake, New Zealand. N.Z. J. of Geology and Geophysics.

BR Paterson, M J McSaveney and ME Reyners, 1992, The hazard of rockfall and rock avalanches at the Zig Zag, SH73 Arthur's Pass. DSIR Geology & Geophysics contract report 1992114.

Published
1995-12-31
How to Cite
Paterson, B., & Berrill, J. B. (1995). Damage to State Highway 73 from the 29 May 1995, Arthur’s Pass earthquake. Bulletin of the New Zealand Society for Earthquake Engineering, 28(4), 300-310. https://doi.org/10.5459/bnzsee.28.4.300-310
Section
Articles

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