The Abbotsford landslide, Dunedin, New Zealand

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Is a good example for human and physical factors

How did occur:

1.       1978 several families in Abbotsford noticed hairline cracks were appearing in their homers

2.       1979 workmen discovered that a leaking water main had been pulled apart

3.       Geologist discovered that “water had made layers of clay on the hill soft, and the sandstone above was siding on this slippery surface”.

4.       Civil defense emergency was declared on 6 August

Finally:

·         9 August a 7 ha

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