Rubuta ci gaba don wannan sakin layi - Hellenic arc yana daya daga cikin yankunan girgizar kasa mafi yawan aiki a yammacin Eurasia. Ya kasance tushen tushen girgizar ƙasa mai girman 7 a cikin shekaru ɗari da suka gabata na rikodin kayan aiki da kuma wurin aƙalla abubuwan tarihi guda biyu waɗanda wataƙila sun kai girman 8 ko fiye, girgizar ƙasa ta 365 Crete
da kuma girgizar kasa ta Crete ta 1303.