The Christchurch High currently operates a special list to deal with earthquake cases.  Here are some stats from a recent Law Society presentation.

437 earthquake related proceedings filed

210 cases disposed of by discontinuance or judgment

176 cases discontinued with 71 discontinued after being set down for trial and 35 of those discontinued within 1 month of the trial date

34 cases disposed of by judgment using a total of 125 court days

227 active cases with 61 set down for trial and 166 in case management