of volcano-
tectonic structures are sets of parallel, northerly striking transcurrent faults that generate the largest
earthquakes in this zone, up to M 6.5. Their surface expressions are en echelon fracture arrays and
push-up structures. The sense of displacement is right-lateral. The distance between them varies from
0.5 to 5 km, and together they form a bookshelf-type fault system taking up the left
/media/norsem/norsem_palli.pdf