The 1157 Hama earthquake
occurred on 12 August after a year of foreshocks. Its name was taken from the city of Hama
, in west-central Syria
(then under the Seljuk
rule), where the most casualties were sustained.
In eastern Syria, near the Euphrates
, the quake destroyed the predecessor of the citadel al-Rahba
, subsequently rebuilt on the same strategic site. The earthquake also affected Christian monasteries and churches in the vicinity of Jerusalem.