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.
Key Facts
| Subject | 1509 Constantinople earthquake |
| Category | Earthquake in the Sea of Marmara |
| Reading time | 1 min · Beginner |
| Key date | 1509 |
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Reference material for this entry is drawn from the open encyclopedic record, including Wikipedia , available under the CC BY-SA 4.0 license. Images are credited individually beside each photo.