The Christchurch leg of popular comic, science fiction and fantasy expo Armageddon has been postponed following last week's devastating 6.3 magnitude quake.

The two-day event was due to be held at the Christchurch Convention Centre and Town Hall from April 2.

"Obviously it is too early to make a decision on when and where we'll be able to hold the Christchurch event - but we'll be making that assessment when the time comes," founder and organiser Bill Geradts said.

The Wellington expo will continue as planned on April 9 and 10.