1509 Constantinople earthquake

The 1509 Constantinople earthquake occurred in the Sea of Marmara on 10 September 1509 at about 10 p.m. The earthquake had an estimated magnitude of 7.2 ± 0.3 on the surface wave magnitude scale.[2] A tsunami and forty-five days of aftershocks followed the earthquake. The death toll of this earthquake is poorly known, with estimates in the range of 1,000 to 13,000.

1509 Constantinople earthquake
Location of epicenter in the Marmara region
Local date10 September 1509 (1509-09-10)
Local time22:00
Magnitude7.2 Ms
Epicenter40.9°N 28.7°E / 40.9; 28.7[1]
Areas affectedOttoman Empire
Casualties1,000 to 13,000

Background

The Sea of Marmara is a pull-apart basin formed at a releasing bend in the North Anatolian Fault, a right-lateral strike-slip fault. This local zone of extension occurs where this transform boundary between the Anatolian Plate and the Eurasian Plate steps northwards to the west of Izmit from the Izmit Fault to the Ganos Fault. The pattern of faults within the Sea of Marmara basin is complex but near Istanbul there is a single main fault segment with a sharp bend. To the west, the fault trends west-east and is pure strike-slip in type. To the east, the fault is NW-SE trending and shows evidence of both normal and strike-slip motion.[3] Movement on this fault, which bounds the Çınarcık Basin, was the most likely cause of the 1509 event.[2]

A 1529 woodcut showing damage to the Fatih Mosque

Damage

The area of significant damage (greater than VII (Very strong)) extended from Çorlu in the west to Izmit in the east. Galata and Büyükçekmece also suffered severe damage. In Constantinople many houses collapsed, chimneys fell and walls cracked. The newly built Bayezid II Mosque was badly damaged; the main dome was destroyed and a minaret collapsed. The Fatih Mosque suffered damage to its four great columns and the dome was split. The former church of Hagia Sophia survived almost unscathed, although a minaret collapsed. Inside the mosque, the plaster that had been used to cover up the Byzantine mosaics inside the dome fell off, revealing the Christian images.[2]

The number of dead and injured is hard to estimate, with different sources giving accounts varying from 1,000 to 13,000.[2] It is believed that some members of the Ottoman dynasty died in this earthquake. Aftershocks continued for 45 days after the earthquake, and people were unable to return to their homes for two months.

Woodcut depicting the effects of the 1509 earthquake

Aftermath

The earthquake was allegedly predicted by an unnamed Greek monk from Saint Catherine's Monastery in Sinai while present in the Sultan's court.[2] European interpretations at the time viewed the earthquake as a sort of punishment, a punishment from God set upon the Turks for taking up arms against European Christians.[2] Similarly, Bayezid II saw it as a punishment from God, however he attributed the punishment to the wrongdoings of his ministers.[2]

Characteristics

Earthquake

From the area and intensity of shaking, a 70 km (43 mi) fault rupture has been estimated.[2] Major shocks occurred at half hour intervals and was violent and protracted in nature, forcing residents to seek refuge in open parks and squares.[2] Aftershocks were said to have continued for 18 days without causing any further damage, however it did delay reconstruction in some areas.[2]

Tsunami

A tsunami is mentioned in some sources with a run-up of greater than 6.0 m (19.7 ft), but discounted in others.[2] A turbidite bed whose deposition matches the date of the earthquake has been recognised in the Çınarcık Basin.[4]

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gollark: I made something like that. But it was very stupid.
gollark: It would have been nice if we could develop and standardize on some new gender-neutral singular pronoun, but that didn't happen so we're stuck with they.
gollark: They work for the government, who also fool you into believing in birds.
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See also

References
  1. Ambraseys, N.N.; Jackson J.A. (2000). "Seismicity of the Sea of Marmara (Turkey) since 1500". Geophysical Journal International. 141 (3): F1–F6. Bibcode:2000GeoJI.141F...1A. doi:10.1046/j.1365-246x.2000.00137.x.
  2. Ambraseys, N. N. (December 2001). "The Earthquake of 1509 in the Sea of Marmara, Turkey, Revisited". Bulletin of the Seismological Society of America. 91 (6): 1397–1416. Bibcode:2001BuSSA..91.1397A. CiteSeerX 10.1.1.861.7616. doi:10.1785/0120000305.
  3. Armijo, R.; Meyer B.; Navarro S.; King G. & Narka A. (2002). "Asymmetric slip partitioning in the Sea of Marmara pull-apart: a clue to propagation processes of the North Anatolian Fault?" (PDF). Terra Nova. 14 (2): 80–86. Bibcode:2002TeNov..14...80A. CiteSeerX 10.1.1.546.4111. doi:10.1046/j.1365-3121.2002.00397.x. Retrieved 2010-02-06.
  4. Lozefski, G.; McHugh C.; Cormier M-H.; Seeber L.; Çagatay N.; Okay N. (2004). "Provenance of turbidite sands in the Marmara Sea, Turkey: a tool for submarine paleoseismology". Archived from the original on 8 June 2011. Retrieved 6 February 2010.
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