On Mon, 05 Apr 2004 01:56:39 GMT, someone wrote:

I have 1/8-th inch, jagged cracks along some of the vertical corners
of my drywall caused by earthquake.

You sure about the cause? Such cracks appear routinely as houses dry
out, without any earthquakes. The corners probably are taped, but the
tape tears.

A lot of people would just caulk & paint.

-v.