Mawentuk tapal jaran ageng nyané 40000 km, punika kakait sareng sarangkaian palung samudera, busur vulkanik, miwah sabuk vulkanik taler pakisidan lempeng.
In a 40000 km (25000 mi) horseshoe shape, it is associated with a nearly continuous series of oceanic trenches, volcanic arcs, and volcanic belts and/or plate movements.