ztop --> ztor

Updated depth-to-top-of-rupture parameter name

src/nshmp-lib/models/gmm/gmm-input.model.ts

@@ -5,7 +5,7 @@ export interface GmmInput {
   rX: number;
   dip: number;
   width: number;
-  zTop: number;
+  zTor: number;
   zHyp: number;
   rake: number;
   vs30: number;