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Rights: The University of Waikato Published 21 July 2007 Size: 1.3 MB Referencing Hub media

A fixed-base building (built directly on the ground) will move with an earthquake’s motion and can sustain extensive damage as a result. When a building is built away (isolated) from the ground, resting on flexible bearings or pads known as base isolators, it will only move a little or not at all during an earthquake.

The William Clayton building in Wellington is one of the original base-isolated structures.