26 September 1091 Earthquake
Sources of the Earthquake:
Parametric catalogues:
– Plassard and Kogoj (1981): 1091, (in Lebanon), an earthquake caused destruction at Antioch where 80 towers collapsed (Abu Al-Fida; Al-Suyuti; Berloty).
– Poirier and Taher (1980): 1091 September 17, I0= IX (MMS), in Antioch, 70 towers fell from the ramparts.
Seismological compilations:
– Sieberg (1932): 1092, an earthquake was in Syria from Antioch to Damascus. Many buildings were destroyed.
– Ibn Al-Athir: In that year [484 A.H.] in Sha’ban 9 (1091 September 26) many earthquakes happened in Bilad Al-Sham and other countries, where people left their houses. In Antioch, it caused destruction of many houses with many victims under the debris, and 90 towers of its wall collapsed.
– Al-Dawadari: In 494 Sha’aban 19 (1091 October 6), an earthquake occurred in Antioch, causing the collapse of 70 towers of its wall.