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    Ground shaking intensity and damage at Lake Coleridge power station in the 18 June 1994 Avoca River earthquake

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    Date
    1994-09-30
    Authors
    Pattle, A.
    Wood, J. H.
    Metadata
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    Abstract
    Apart from highway bridges and embankments, the only major structures close to the epicentre of the 18 June 1994 Avoca River magnitude ML 6.5 were at the Lake Coleridge hydo power scheme. At the power-house location, the peak ground acceleration reached 0.14 g and the felt intensity was estimated as MMI VII. Because most of the buildings and civil structures at the scheme are more than 60 years of age their performance under the moderate level of shaking was of particular interest. Damage to the buildings and other structures was minor and it is thought that the ground shaking intensity was just below the threshold level above which more serious damage might be expected.
    URI
    https://doi.org/10.5459/bnzsee.27.3.227-230
    Published in
    • Bulletin of the New Zealand Society for Earthquake Engineering

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