1157 Hama earthquake
1157 CE.
Shown on the map at 35.100°, 36.500°.
After a year of foreshocks, an earthquake occurred on 12 August 1157 near 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.
Text from the Wikipedia article 1157 Hama earthquake, licensed CC BY-SA 4.0.