The 1202 Syria earthquake struck at about dawn on 20 May 1202 (598 AH) with an epicenter in southwestern Syria. Up to 1,100,000 deaths have been associated with this earthquake, although other estimates are much smaller. It was felt over a very wide area, from Sicily to Mesopotamia and Anatolia to upper Egypt, mostly affecting the Ayyubid Sultanate and the Kingdom of Jerusalem. The cities of Tyre, Acre and Nablus were heavily damaged. A magnitude of Ms = 7.6 has been estimated with damage up to XI on the Mercalli intensity scale.