The residential red zone refers to areas of land in and around Christchurch, New Zealand, that experienced severe damage in the 2010 and 2011 Christchurch earthquakes and were deemed infeasible to rebuild on. Through voluntary buyouts, the Crown acquired and demolished or removed over 8,000 properties. The majority were located in a broad swath of the eastern suburbs along the &lt;a href="Avon%20River%20/%20%C5%8Ct%C4%81karo"&gt;Avon River / Ōtākaro&lt;/a&gt; that had suffered damage from soil liquefaction.