   Bolu Erzincan Niksar Samsun | |
| Local date | 17 August 1668 |
|---|---|
| Local time | Late morning |
| Magnitude | 7.8–8.0 Ms |
| Epicentre | 40°54′N 36°00′E / 40.9°N 36.0°E[1] |
| Fault | North Anatolian Fault |
| Type | Strike-slip |
| Areas affected | North Anatolia, Ottoman Empire |
| Max. intensity | MMI IX (Violent)[1] |
| Foreshocks | Yes |
| Aftershocks | Continued for 6 months |
| Casualties | 8,000 dead |
Northern Anatolia was struck by a large earthquake on 17 August 1668 in the late morning.[2] It had an estimated magnitude in the range 7.8–8.0 Ms and the maximum felt intensity was IX on the Modified Mercalli intensity scale.[1] The epicenter of the earthquake was on the southern shore of Ladik Lake.[1] It caused widespread damage from as far west as Bolu and as far east as Erzincan, resulting in about 8,000 deaths. It is thought to be the most powerful earthquake in Turkey.[3][4]
- ^ a b c d "Tarihsel Depremler (Historical Earthquakes)" (in Turkish). Boğaziçi University, Kandilli Observatory and Earthquake Research Institute. Retrieved 1 February 2020.
- ^ Samsun İl Halk Library Manuscripts, no. 711, folio 1r.
- ^ "Historic Worldwide Earthquakes". United States Geological Survey. Archived from the original on 2009-08-25.
- ^ Ambraseys, N. (2009). Earthquakes in the Mediterranean and Middle East: A Multidisciplinary Study of Seismicity up to 1900. Cambridge University Press. pp. 512–515. ISBN 9781316347850.