The 1509 Constantinople earthquake, or historically Kıyamet-i Suğra, occurred in the Sea of Marmara on 10 September 1509 at about 22:00. The earthquake had an estimated magnitude of 7.2 ± 0.3 on the surface-wave magnitude scale. A tsunami and 45 days of aftershocks followed the earthquake. The exact death toll of this earthquake is unknown; estimates range between 1,000 and 13,000.
The "Minor Judgement Day" earthquake struck in the Sea of Marmara, devastating much of Constantinople and killing more than 1,000 people.
On September 10, in the year 1509, The "Minor Judgement Day" earthquake struck in the Sea of Marmara, devastating much of Constantinople and killing more than 1,000 people. This event is recorded as a Selected Events event in the history of September 10, one of 439 recorded events on this date across all of history.
Key Facts
- This event took place on September 10, 1509 (AD era).
- It is categorised as a Selected Events event in recorded history.
- Referenced in 3 Wikipedia articles.
- The event is associated with a specific geographical location (see map below).
- Wikipedia source last updated on 14 August 2026.
On This Date in History 439
This article draws on content from Wikipedia, available under CC BY-SA 4.0.
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