Story: Hauraki–Coromandel places

Waihī mining: house collapse (2nd of 4)

Waihī mining: house collapse

In 2010 the Martha mine was opencast, but an underground mine had operated until 1952. It was common to mine inclined veins of ore in step-like excavations (stopes) and back-fill them with waste rock. After 1914 stopes were no longer back-filled, and could become unstable. This Barry Road house collapsed into a 50-metre by 15-metre hole in December 2001. In the end, 26 people lost their homes. An expert report identified nearby streets that were also on top of unfilled voids; these areas were cleared and residents compensated.

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How to cite this page:

Paul Monin. 'Hauraki–Coromandel places - Waihī and surrounds', Te Ara - the Encyclopedia of New Zealand, updated 16-Nov-12
URL: http://www.TeAra.govt.nz/en/photograph/30757/waihi-mining-house-collapse