![]() A tower near the Hücum Kapısı ("The assault gate") belonging to the walls of Constantinople damaged by the earthquake in an engraving by W. H. Bartlett (ante 1838). | |
Location of epicenter in the Marmara region of Turkey | |
Local date | 22 May 1766 |
---|---|
Local time | 05:10 |
Magnitude | 7.1 Ms |
Epicenter | 40°48′N 29°00′E / 40.8°N 29°E[1] |
Fault | North Anatolian Fault |
Areas affected | Eyalet of Constantinople, Ottoman Empire |
Tsunami | flooded Bosphorus shores, Galata, Mudanya, Princes' Islands |
Casualties | 4,000 |
The 1766 Istanbul earthquake was a strong earthquake with epicenter in the eastern part of the Sea of Marmara, in the Çınarcık Basin (or near the Princes' Islands, north of the basin)[2] which occurred in the early hours of Thursday morning, 22 May 1766.[1] The earthquake had an estimated magnitude of 7.1 on the surface wave magnitude scale,[2] and caused effects in a vast area extending from Izmit to Rodosto (now Tekirdağ).[3] In this area, the earthquake was followed by a tsunami which caused significant damage. The earthquake of 1766 was the last major earthquake to rock Constantinople (now known as Istanbul) because of a rupture of the North Anatolian Fault in the Marmara region.[4][5]
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