1170 Syria earthquake was one of the largest earthquakes to hit Syria . It occurred early in the morning of 29 June 1170 . It formed part of a sequence of large earthquakes that propagated southwards along the Dead Sea Transform , starting with the 1138 Aleppo earthquake , continuing with the 1157 Hama , 1170 and 1202 Syria events . The estimated magnitude is 7.7 on the moment magnitude scale , with the maximum intensity of X ( '' extreme '' ) on the Mercalli intensity scale
1138 Aleppo earthquake
1138 Aleppo earthquake
1170 Syria earthquake