# Orientations of the fault plane and the auxiliary plane

How can someone find the possible orientations of the fault plane and the auxiliary plane? This tensor is in the geographical coordinate system North, East and Down, given a moment tensor.

M= $$\begin{Bmatrix} 0 & 1 & 0\\ 1 & 0 & 1\\ 0 & 1 & 0 \end{Bmatrix}$$